1356956297 has 4 divisors (see below), whose sum is σ = 1382559300. Its totient is φ = 1331353296.

The previous prime is 1356956267. The next prime is 1356956327. The reversal of 1356956297 is 7926596531.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1356956267) and next prime (1356956327).

It can be written as a sum of positive squares in 2 ways, for example, as 1128220921 + 228735376 = 33589^2 + 15124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356956297 - 2²⁴ = 1340179081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 25602949 = 1356956297 / (1 + 3 + 5 + 6 + 9 + 5 + 6 + 2 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356956207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12801422 + ... + 12801527.

It is an arithmetic number, because the mean of its divisors is an integer number (345639825).

Almost surely, 2^1356956297 is an apocalyptic number.

It is an amenable number.

1356956297 is a deficient number, since it is larger than the sum of its proper divisors (25603003).

1356956297 is an equidigital number, since it uses as much as digits as its factorization.

1356956297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25603002.

The product of its digits is 3061800, while the sum is 53.

The square root of 1356956297 is about 36836.8877214132. The cubic root of 1356956297 is about 1107.1045107345.

The spelling of 1356956297 in words is "one billion, three hundred fifty-six million, nine hundred fifty-six thousand, two hundred ninety-seven".