25412525 has 24 divisors (see below), whose sum is σ = 32852064. Its totient is φ = 19483200.

The previous prime is 25412473. The next prime is 25412531. The reversal of 25412525 is 52521452.

It is not a de Polignac number, because 25412525 - 2⁶ = 25412461 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25412494 and 25412503.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 76610 + ... + 76940.

It is an arithmetic number, because the mean of its divisors is an integer number (1368836).

Almost surely, 2^25412525 is an apocalyptic number.

25412525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25412525 is a deficient number, since it is larger than the sum of its proper divisors (7439539).

25412525 is a wasteful number, since it uses less digits than its factorization.

25412525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 456 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 25412525 is about 5041.0837128538. The cubic root of 25412525 is about 294.0013150326.

Adding to 25412525 its reverse (52521452), we get a palindrome (77933977).

The spelling of 25412525 in words is "twenty-five million, four hundred twelve thousand, five hundred twenty-five".