10155961 has 2 divisors, whose sum is σ = 10155962. Its totient is φ = 10155960.

The previous prime is 10155917. The next prime is 10155967. The reversal of 10155961 is 16955101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5978025 + 4177936 = 2445^2 + 2044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10155961 is a prime.

It is not a weakly prime, because it can be changed into another prime (10155967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077980 + 5077981.

It is an arithmetic number, because the mean of its divisors is an integer number (5077981).

Almost surely, 2^10155961 is an apocalyptic number.

It is an amenable number.

10155961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155961 is an equidigital number, since it uses as much as digits as its factorization.

10155961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 10155961 is about 3186.8418536225. The cubic root of 10155961 is about 216.5577222185.

The spelling of 10155961 in words is "ten million, one hundred fifty-five thousand, nine hundred sixty-one".