52402961 has 8 divisors (see below), whose sum is σ = 57810984. Its totient is φ = 47191680.

The previous prime is 52402937. The next prime is 52402967. The reversal of 52402961 is 16920425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 115600 + 52287361 = 340^2 + 7231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52402961 - 2⁶ = 52402897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52402967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48626 + ... + 49691.

It is an arithmetic number, because the mean of its divisors is an integer number (7226373).

Almost surely, 2^52402961 is an apocalyptic number.

It is an amenable number.

52402961 is a deficient number, since it is larger than the sum of its proper divisors (5408023).

52402961 is a wasteful number, since it uses less digits than its factorization.

52402961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98371.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52402961 is about 7238.9889487414. The cubic root of 52402961 is about 374.2127746337.

The spelling of 52402961 in words is "fifty-two million, four hundred two thousand, nine hundred sixty-one".