523212525 has 72 divisors (see below), whose sum is σ = 1028907360. Its totient is φ = 252048000.

The previous prime is 523212517. The next prime is 523212583. The reversal of 523212525 is 525212325.

It is not a de Polignac number, because 523212525 - 2³ = 523212517 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 442435 + ... + 443615.

It is an arithmetic number, because the mean of its divisors is an integer number (14290380).

Almost surely, 2^523212525 is an apocalyptic number.

523212525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523212525 is a deficient number, since it is larger than the sum of its proper divisors (505694835).

523212525 is a wasteful number, since it uses less digits than its factorization.

523212525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1379 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 523212525 is about 22873.8393148155. The cubic root of 523212525 is about 805.7977380606.

The spelling of 523212525 in words is "five hundred twenty-three million, two hundred twelve thousand, five hundred twenty-five".