538805015 has 24 divisors (see below), whose sum is σ = 772483488. Its totient is φ = 353390400.

The previous prime is 538804979. The next prime is 538805077. The reversal of 538805015 is 510508835.

It is not a de Polignac number, because 538805015 - 2⁸ = 538804759 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 3965 + ... + 33065.

It is an arithmetic number, because the mean of its divisors is an integer number (32186812).

Almost surely, 2^538805015 is an apocalyptic number.

538805015 is a deficient number, since it is larger than the sum of its proper divisors (233678473).

538805015 is a wasteful number, since it uses less digits than its factorization.

538805015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29159 (or 29136 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 538805015 is about 23212.1738533899. The cubic root of 538805015 is about 813.7241583170.

The spelling of 538805015 in words is "five hundred thirty-eight million, eight hundred five thousand, fifteen".