3177961 has 2 divisors, whose sum is σ = 3177962. Its totient is φ = 3177960.

The previous prime is 3177953. The next prime is 3177971. The reversal of 3177961 is 1697713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 1089936 = 1445^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 3177961 - 2³ = 3177953 is a prime.

It is a super-2 number, since 2×3177961² = 20198872235042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3177901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1588980 + 1588981.

It is an arithmetic number, because the mean of its divisors is an integer number (1588981).

Almost surely, 2^3177961 is an apocalyptic number.

It is an amenable number.

3177961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3177961 is an equidigital number, since it uses as much as digits as its factorization.

3177961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 3177961 is about 1782.6836511283. The cubic root of 3177961 is about 147.0221787691.

The spelling of 3177961 in words is "three million, one hundred seventy-seven thousand, nine hundred sixty-one".