25252831 has 2 divisors, whose sum is σ = 25252832. Its totient is φ = 25252830.

The previous prime is 25252813. The next prime is 25252847. The reversal of 25252831 is 13825252.

Together with previous prime (25252813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25252831 - 2⁹ = 25252319 is a prime.

It is a super-2 number, since 2×25252831² = 1275410947029122, which contains 22 as substring.

It is equal to p_1580662 and since 25252831 and 1580662 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25252831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25252811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626415 + 12626416.

It is an arithmetic number, because the mean of its divisors is an integer number (12626416).

Almost surely, 2^25252831 is an apocalyptic number.

25252831 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252831 is an equidigital number, since it uses as much as digits as its factorization.

25252831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 25252831 is about 5025.2194976936. The cubic root of 25252831 is about 293.3841792312.

It can be divided in two parts, 2525 and 2831, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 25252831 in words is "twenty-five million, two hundred fifty-two thousand, eight hundred thirty-one".