956233381 has 2 divisors, whose sum is σ = 956233382. Its totient is φ = 956233380.

The previous prime is 956233379. The next prime is 956233423. The reversal of 956233381 is 183332659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727165156 + 229068225 = 26966^2 + 15135^2 .

It is a cyclic number.

It is not a de Polignac number, because 956233381 - 2¹ = 956233379 is a prime.

It is a super-2 number, since 2×956233381² = 1828764557877382322, which contains 22 as substring.

Together with 956233379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (956233181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478116690 + 478116691.

It is an arithmetic number, because the mean of its divisors is an integer number (478116691).

Almost surely, 2^956233381 is an apocalyptic number.

It is an amenable number.

956233381 is a deficient number, since it is larger than the sum of its proper divisors (1).

956233381 is an equidigital number, since it uses as much as digits as its factorization.

956233381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 956233381 is about 30923.0234776614. The cubic root of 956233381 is about 985.1929607279.

The spelling of 956233381 in words is "nine hundred fifty-six million, two hundred thirty-three thousand, three hundred eighty-one".