25102525 has 12 divisors (see below), whose sum is σ = 35574112. Its totient is φ = 17213040.

The previous prime is 25102513. The next prime is 25102531. The reversal of 25102525 is 52520152.

It is not a de Polignac number, because 25102525 - 2⁷ = 25102397 is a prime.

It is a super-2 number, since 2×25102525² = 1260273522751250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25102496 and 25102505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71547 + ... + 71896.

Almost surely, 2^25102525 is an apocalyptic number.

25102525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25102525 is a deficient number, since it is larger than the sum of its proper divisors (10471587).

25102525 is a wasteful number, since it uses less digits than its factorization.

25102525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143460 (or 143455 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 25102525 is about 5010.2420101229. The cubic root of 25102525 is about 292.8009418796.

Adding to 25102525 its reverse (52520152), we get a palindrome (77622677).

The spelling of 25102525 in words is "twenty-five million, one hundred two thousand, five hundred twenty-five".