511252494 has 16 divisors (see below), whose sum is σ = 1076321280. Its totient is φ = 161448120.

The previous prime is 511252481. The next prime is 511252501. The reversal of 511252494 is 494252115.

It is a super-2 number, since 2×511252494² = 522758225242440072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242222 + ... + 2242449.

It is an arithmetic number, because the mean of its divisors is an integer number (67270080).

Almost surely, 2^511252494 is an apocalyptic number.

511252494 is an abundant number, since it is smaller than the sum of its proper divisors (565068786).

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

511252494 is a wasteful number, since it uses less digits than its factorization.

511252494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484695.

The product of its digits is 14400, while the sum is 33.

The square root of 511252494 is about 22610.8932596658. The cubic root of 511252494 is about 799.6104843360.

The spelling of 511252494 in words is "five hundred eleven million, two hundred fifty-two thousand, four hundred ninety-four".