2552531 has 2 divisors, whose sum is σ = 2552532. Its totient is φ = 2552530.

The previous prime is 2552527. The next prime is 2552581. The reversal of 2552531 is 1352552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2552531 - 2² = 2552527 is a prime.

It is a super-2 number, since 2×2552531² = 13030829011922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2552497 and 2552506.

It is not a weakly prime, because it can be changed into another prime (2552581) 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, 1276265 + 1276266.

It is an arithmetic number, because the mean of its divisors is an integer number (1276266).

2^2552531 is an apocalyptic number.

2552531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552531 is an equidigital number, since it uses as much as digits as its factorization.

2552531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 2552531 is about 1597.6642325595. The cubic root of 2552531 is about 136.6649064483.

The spelling of 2552531 in words is "two million, five hundred fifty-two thousand, five hundred thirty-one".