525772998 has 16 divisors (see below), whose sum is σ = 1168384560. Its totient is φ = 175257648.

The previous prime is 525772981. The next prime is 525773009. The reversal of 525772998 is 899277525.

525772998 is a `hidden beast` number, since 525 + 7 + 7 + 29 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 9736537 = 525772998 / (5 + 2 + 5 + 7 + 7 + 2 + 9 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4868215 + ... + 4868322.

It is an arithmetic number, because the mean of its divisors is an integer number (73024035).

Almost surely, 2^525772998 is an apocalyptic number.

525772998 is an abundant number, since it is smaller than the sum of its proper divisors (642611562).

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

525772998 is a wasteful number, since it uses less digits than its factorization.

525772998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736548 (or 9736542 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 525772998 is about 22929.7404695300. The cubic root of 525772998 is about 807.1100580954.

The spelling of 525772998 in words is "five hundred twenty-five million, seven hundred seventy-two thousand, nine hundred ninety-eight".