516274385 has 32 divisors (see below), whose sum is σ = 703572480. Its totient is φ = 360236800.

The previous prime is 516274379. The next prime is 516274387. The reversal of 516274385 is 583472615.

It is not a de Polignac number, because 516274385 - 2²² = 512080081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516274387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275000 + ... + 276870.

It is an arithmetic number, because the mean of its divisors is an integer number (21986640).

Almost surely, 2^516274385 is an apocalyptic number.

516274385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

516274385 is a deficient number, since it is larger than the sum of its proper divisors (187298095).

516274385 is a wasteful number, since it uses less digits than its factorization.

516274385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089.

The product of its digits is 201600, while the sum is 41.

The square root of 516274385 is about 22721.6721435725. The cubic root of 516274385 is about 802.2200755690.

The spelling of 516274385 in words is "five hundred sixteen million, two hundred seventy-four thousand, three hundred eighty-five".