525312546 has 96 divisors (see below), whose sum is σ = 1263112704. Its totient is φ = 144883200.

The previous prime is 525312539. The next prime is 525312559. The reversal of 525312546 is 645213525.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381916 + ... + 383288.

It is an arithmetic number, because the mean of its divisors is an integer number (13157424).

Almost surely, 2^525312546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525312546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631556352).

525312546 is an abundant number, since it is smaller than the sum of its proper divisors (737800158).

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

525312546 is a wasteful number, since it uses less digits than its factorization.

525312546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1437 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 525312546 is about 22919.6977728765. The cubic root of 525312546 is about 806.8743771819.

The spelling of 525312546 in words is "five hundred twenty-five million, three hundred twelve thousand, five hundred forty-six".