499023525 has 288 divisors, whose sum is σ = 1227921408. Its totient is φ = 172339200.

The previous prime is 499023521. The next prime is 499023607. The reversal of 499023525 is 525320994.

It is not a de Polignac number, because 499023525 - 2² = 499023521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499023521) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 21696664 + ... + 21696686.

It is an arithmetic number, because the mean of its divisors is an integer number (4263616).

Almost surely, 2^499023525 is an apocalyptic number.

It is an amenable number.

499023525 is an abundant number, since it is smaller than the sum of its proper divisors (728897883).

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

499023525 is a wasteful number, since it uses less digits than its factorization.

499023525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 499023525 is about 22338.8344592998. The cubic root of 499023525 is about 793.1835034508.

The spelling of 499023525 in words is "four hundred ninety-nine million, twenty-three thousand, five hundred twenty-five".