525242550 has 48 divisors (see below), whose sum is σ = 1488690432. Its totient is φ = 120055200.

The previous prime is 525242533. The next prime is 525242569. The reversal of 525242550 is 55242525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249066 + ... + 251165.

It is an arithmetic number, because the mean of its divisors is an integer number (31014384).

Almost surely, 2^525242550 is an apocalyptic number.

525242550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525242550 is an abundant number, since it is smaller than the sum of its proper divisors (963447882).

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

525242550 is a wasteful number, since it uses less digits than its factorization.

525242550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500253 (or 500248 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 525242550 is about 22918.1707385210. The cubic root of 525242550 is about 806.8385378909.

The spelling of 525242550 in words is "five hundred twenty-five million, two hundred forty-two thousand, five hundred fifty".