523505052 has 48 divisors (see below), whose sum is σ = 1551128320. Its totient is φ = 149572656.

The previous prime is 523505051. The next prime is 523505069. The reversal of 523505052 is 250505325.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523505051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345478 + ... + 346989.

Almost surely, 2^523505052 is an apocalyptic number.

It is an amenable number.

523505052 is an abundant number, since it is smaller than the sum of its proper divisors (1027623268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523505052 is a wasteful number, since it uses less digits than its factorization.

523505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692487 (or 692479 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 523505052 is about 22880.2327785361. The cubic root of 523505052 is about 805.9478833442.

The spelling of 523505052 in words is "five hundred twenty-three million, five hundred five thousand, fifty-two".