52897961 has 2 divisors, whose sum is σ = 52897962. Its totient is φ = 52897960.

The previous prime is 52897937. The next prime is 52897963. The reversal of 52897961 is 16979825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40081561 + 12816400 = 6331^2 + 3580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52897961 is a prime.

Together with 52897963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52897963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26448980 + 26448981.

It is an arithmetic number, because the mean of its divisors is an integer number (26448981).

Almost surely, 2^52897961 is an apocalyptic number.

It is an amenable number.

52897961 is a deficient number, since it is larger than the sum of its proper divisors (1).

52897961 is an equidigital number, since it uses as much as digits as its factorization.

52897961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 52897961 is about 7273.0984456420. The cubic root of 52897961 is about 375.3873591440.

It can be divided in two parts, 528 and 97961, that added together give a palindrome (98489).

The spelling of 52897961 in words is "fifty-two million, eight hundred ninety-seven thousand, nine hundred sixty-one".