25874531 has 2 divisors, whose sum is σ = 25874532. Its totient is φ = 25874530.

The previous prime is 25874501. The next prime is 25874539. The reversal of 25874531 is 13547852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25874531 - 2²² = 21680227 is a prime.

It is a super-2 number, since 2×25874531² = 1338982708939922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25874491 and 25874500.

It is not a weakly prime, because it can be changed into another prime (25874539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12937265 + 12937266.

It is an arithmetic number, because the mean of its divisors is an integer number (12937266).

Almost surely, 2^25874531 is an apocalyptic number.

25874531 is a deficient number, since it is larger than the sum of its proper divisors (1).

25874531 is an equidigital number, since it uses as much as digits as its factorization.

25874531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 25874531 is about 5086.7013869501. The cubic root of 25874531 is about 295.7722979463.

The spelling of 25874531 in words is "twenty-five million, eight hundred seventy-four thousand, five hundred thirty-one".