1356953 has 4 divisors (see below), whose sum is σ = 1461348. Its totient is φ = 1252560.

The previous prime is 1356947. The next prime is 1356973. The reversal of 1356953 is 3596531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 797449 = 748^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356953 - 2⁸ = 1356697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52178 + ... + 52203.

It is an arithmetic number, because the mean of its divisors is an integer number (365337).

2^1356953 is an apocalyptic number.

1356953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1356953 is a deficient number, since it is larger than the sum of its proper divisors (104395).

1356953 is a wasteful number, since it uses less digits than its factorization.

1356953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104394.

The product of its digits is 12150, while the sum is 32.

The square root of 1356953 is about 1164.8832559531. The cubic root of 1356953 is about 110.7103614089.

The spelling of 1356953 in words is "one million, three hundred fifty-six thousand, nine hundred fifty-three".