538990313 has 4 divisors (see below), whose sum is σ = 550458240. Its totient is φ = 527522388.

The previous prime is 538990289. The next prime is 538990363. The reversal of 538990313 is 313099835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538990313 - 2²⁸ = 270554857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538990363) 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, 5733893 + ... + 5733986.

It is an arithmetic number, because the mean of its divisors is an integer number (137614560).

Almost surely, 2^538990313 is an apocalyptic number.

It is an amenable number.

538990313 is a deficient number, since it is larger than the sum of its proper divisors (11467927).

538990313 is a wasteful number, since it uses less digits than its factorization.

538990313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11467926.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 538990313 is about 23216.1649072365. The cubic root of 538990313 is about 813.8174290261.

The spelling of 538990313 in words is "five hundred thirty-eight million, nine hundred ninety thousand, three hundred thirteen".