25422524 has 6 divisors (see below), whose sum is σ = 44489424. Its totient is φ = 12711260.

The previous prime is 25422499. The next prime is 25422533. The reversal of 25422524 is 42522452.

It is a junction number, because it is equal to n+sod(n) for n = 25422493 and 25422502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3177812 + ... + 3177819.

It is an arithmetic number, because the mean of its divisors is an integer number (7414904).

It is a self-describing number.

Almost surely, 2^25422524 is an apocalyptic number.

It is an amenable number.

25422524 is a deficient number, since it is larger than the sum of its proper divisors (19066900).

25422524 is a wasteful number, since it uses less digits than its factorization.

25422524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355635 (or 6355633 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 25422524 is about 5042.0753663546. The cubic root of 25422524 is about 294.0398699535.

Adding to 25422524 its reverse (42522452), we get a palindrome (67944976).

The spelling of 25422524 in words is "twenty-five million, four hundred twenty-two thousand, five hundred twenty-four".