523729525 has 12 divisors (see below), whose sum is σ = 708463584. Its totient is φ = 380894000.

The previous prime is 523729513. The next prime is 523729537. The reversal of 523729525 is 525927325.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (523729513) and next prime (523729537).

It is not a de Polignac number, because 523729525 - 2¹⁵ = 523696757 is a prime.

It is a Duffinian number.

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, 951961 + ... + 952510.

It is an arithmetic number, because the mean of its divisors is an integer number (59038632).

Almost surely, 2^523729525 is an apocalyptic number.

523729525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523729525 is a deficient number, since it is larger than the sum of its proper divisors (184734059).

523729525 is a wasteful number, since it uses less digits than its factorization.

523729525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904492 (or 1904487 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 523729525 is about 22885.1376443315. The cubic root of 523729525 is about 806.0630606392.

The spelling of 523729525 in words is "five hundred twenty-three million, seven hundred twenty-nine thousand, five hundred twenty-five".