465655961 has 2 divisors, whose sum is σ = 465655962. Its totient is φ = 465655960.

The previous prime is 465655943. The next prime is 465655997. The reversal of 465655961 is 169556564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416935561 + 48720400 = 20419^2 + 6980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465655961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (465655661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232827980 + 232827981.

It is an arithmetic number, because the mean of its divisors is an integer number (232827981).

Almost surely, 2^465655961 is an apocalyptic number.

It is an amenable number.

465655961 is a deficient number, since it is larger than the sum of its proper divisors (1).

465655961 is an equidigital number, since it uses as much as digits as its factorization.

465655961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 47.

The square root of 465655961 is about 21579.0630241445. The cubic root of 465655961 is about 775.0952146631.

The spelling of 465655961 in words is "four hundred sixty-five million, six hundred fifty-five thousand, nine hundred sixty-one".