525396025 has 24 divisors (see below), whose sum is σ = 812251584. Its totient is φ = 327518400.

The previous prime is 525396013. The next prime is 525396031. The reversal of 525396025 is 520693525.

It is not a de Polignac number, because 525396025 - 2⁵ = 525395993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134542 + ... + 138391.

It is an arithmetic number, because the mean of its divisors is an integer number (33843816).

Almost surely, 2^525396025 is an apocalyptic number.

525396025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525396025 is a deficient number, since it is larger than the sum of its proper divisors (286855559).

525396025 is a wasteful number, since it uses less digits than its factorization.

525396025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272961 (or 272956 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 525396025 is about 22921.5188196594. The cubic root of 525396025 is about 806.9171158645.

It can be divided in two parts, 52539 and 6025, that added together give a square (58564 = 242²).

The spelling of 525396025 in words is "five hundred twenty-five million, three hundred ninety-six thousand, twenty-five".