1956313 has 2 divisors, whose sum is σ = 1956314. Its totient is φ = 1956312.

The previous prime is 1956299. The next prime is 1956323. The reversal of 1956313 is 3136591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 683929 = 1128^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1956313 - 2⁹ = 1955801 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1956323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978156 + 978157.

It is an arithmetic number, because the mean of its divisors is an integer number (978157).

2^1956313 is an apocalyptic number.

It is an amenable number.

1956313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1956313 is an equidigital number, since it uses as much as digits as its factorization.

1956313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 28.

The square root of 1956313 is about 1398.6825944438. The cubic root of 1956313 is about 125.0679736966.

The spelling of 1956313 in words is "one million, nine hundred fifty-six thousand, three hundred thirteen".