52625257 has 2 divisors, whose sum is σ = 52625258. Its totient is φ = 52625256.

The previous prime is 52625213. The next prime is 52625273. The reversal of 52625257 is 75252625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 3779136 = 6989^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 52625257 - 2¹¹ = 52623209 is a prime.

It is equal to p_3148954 and since 52625257 and 3148954 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52625057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26312628 + 26312629.

It is an arithmetic number, because the mean of its divisors is an integer number (26312629).

Almost surely, 2^52625257 is an apocalyptic number.

It is an amenable number.

52625257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52625257 is an equidigital number, since it uses as much as digits as its factorization.

52625257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 34.

The square root of 52625257 is about 7254.3267778616. The cubic root of 52625257 is about 374.7411713209.

It can be divided in two parts, 5 and 2625257, that added together give a palindrome (2625262).

The spelling of 52625257 in words is "fifty-two million, six hundred twenty-five thousand, two hundred fifty-seven".