525247632 has 320 divisors, whose sum is σ = 1919877120. Its totient is φ = 133747200.

The previous prime is 525247631. The next prime is 525247633. The reversal of 525247632 is 236742525.

It is an interprime number because it is at equal distance from previous prime (525247631) and next prime (525247633).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525247631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1218457 + ... + 1218887.

It is an arithmetic number, because the mean of its divisors is an integer number (5999616).

Almost surely, 2^525247632 is an apocalyptic number.

525247632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525247632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959938560).

525247632 is an abundant number, since it is smaller than the sum of its proper divisors (1394629488).

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

525247632 is a wasteful number, since it uses less digits than its factorization.

525247632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 487 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 525247632 is about 22918.2816109760. The cubic root of 525247632 is about 806.8411400793.

The spelling of 525247632 in words is "five hundred twenty-five million, two hundred forty-seven thousand, six hundred thirty-two".