525078125 has 64 divisors (see below), whose sum is σ = 787497984. Its totient is φ = 345000000.

The previous prime is 525078097. The next prime is 525078163. The reversal of 525078125 is 521870525.

It is not a de Polignac number, because 525078125 - 2⁸ = 525077869 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11171852 + ... + 11171898.

It is an arithmetic number, because the mean of its divisors is an integer number (12304656).

Almost surely, 2^525078125 is an apocalyptic number.

525078125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525078125 is a deficient number, since it is larger than the sum of its proper divisors (262419859).

525078125 is an frugal number, since it uses more digits than its factorization.

525078125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 525078125 is about 22914.5832386278. The cubic root of 525078125 is about 806.7543366190.

It can be divided in two parts, 52 and 5078125, that multiplied together give a square (264062500 = 16250²).

The spelling of 525078125 in words is "five hundred twenty-five million, seventy-eight thousand, one hundred twenty-five".