502113149 has 4 divisors (see below), whose sum is σ = 511587036. Its totient is φ = 492639264.

The previous prime is 502113119. The next prime is 502113151. The reversal of 502113149 is 941311205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320052100 + 182061049 = 17890^2 + 13493^2 .

It is a cyclic number.

It is not a de Polignac number, because 502113149 - 2⁸ = 502112893 is a prime.

It is a super-2 number, since 2×502113149² = 504235228797392402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502113109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736864 + ... + 4736969.

It is an arithmetic number, because the mean of its divisors is an integer number (127896759).

Almost surely, 2^502113149 is an apocalyptic number.

It is an amenable number.

502113149 is a deficient number, since it is larger than the sum of its proper divisors (9473887).

502113149 is an equidigital number, since it uses as much as digits as its factorization.

502113149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473886.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 502113149 is about 22407.8814036490. The cubic root of 502113149 is about 794.8170927921.

The spelling of 502113149 in words is "five hundred two million, one hundred thirteen thousand, one hundred forty-nine".