351595961 has 2 divisors, whose sum is σ = 351595962. Its totient is φ = 351595960.

The previous prime is 351595957. The next prime is 351595973. The reversal of 351595961 is 169595153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183738025 + 167857936 = 13555^2 + 12956^2 .

It is a cyclic number.

It is not a de Polignac number, because 351595961 - 2² = 351595957 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (351595991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175797980 + 175797981.

It is an arithmetic number, because the mean of its divisors is an integer number (175797981).

Almost surely, 2^351595961 is an apocalyptic number.

It is an amenable number.

351595961 is a deficient number, since it is larger than the sum of its proper divisors (1).

351595961 is an equidigital number, since it uses as much as digits as its factorization.

351595961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 182250, while the sum is 44.

The square root of 351595961 is about 18750.8922721027. The cubic root of 351595961 is about 705.7994124218.

The spelling of 351595961 in words is "three hundred fifty-one million, five hundred ninety-five thousand, nine hundred sixty-one".