538072651 has 4 divisors (see below), whose sum is σ = 538119904. Its totient is φ = 538025400.

The previous prime is 538072567. The next prime is 538072657. The reversal of 538072651 is 156270835.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 538072651 - 2⁷ = 538072523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538072651.

It is not an unprimeable number, because it can be changed into a prime (538072657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086 + ... + 33196.

It is an arithmetic number, because the mean of its divisors is an integer number (134529976).

Almost surely, 2^538072651 is an apocalyptic number.

538072651 is a deficient number, since it is larger than the sum of its proper divisors (47253).

538072651 is a wasteful number, since it uses less digits than its factorization.

538072651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47252.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 538072651 is about 23196.3930601290. The cubic root of 538072651 is about 813.3553096760.

The spelling of 538072651 in words is "five hundred thirty-eight million, seventy-two thousand, six hundred fifty-one".