52651961 has 2 divisors, whose sum is σ = 52651962. Its totient is φ = 52651960.

The previous prime is 52651957. The next prime is 52652003. The reversal of 52651961 is 16915625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 3385600 = 7019^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 52651961 - 2² = 52651957 is a prime.

It is not a weakly prime, because it can be changed into another prime (52651901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26325980 + 26325981.

It is an arithmetic number, because the mean of its divisors is an integer number (26325981).

Almost surely, 2^52651961 is an apocalyptic number.

It is an amenable number.

52651961 is a deficient number, since it is larger than the sum of its proper divisors (1).

52651961 is an equidigital number, since it uses as much as digits as its factorization.

52651961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 52651961 is about 7256.1671011630. The cubic root of 52651961 is about 374.8045464417.

The spelling of 52651961 in words is "fifty-two million, six hundred fifty-one thousand, nine hundred sixty-one".