516374507225 has 12 divisors (see below), whose sum is σ = 641783165436. Its totient is φ = 412145556480.

The previous prime is 516374507197. The next prime is 516374507263. The reversal of 516374507225 is 522705473615.

It can be written as a sum of positive squares in 6 ways, for example, as 231658353481 + 284716153744 = 481309^2 + 533588^2 .

It is not a de Polignac number, because 516374507225 - 2²² = 516370312921 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 516374507225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23840192 + ... + 23861841.

It is an arithmetic number, because the mean of its divisors is an integer number (53481930453).

Almost surely, 2^516374507225 is an apocalyptic number.

It is an amenable number.

516374507225 is a deficient number, since it is larger than the sum of its proper divisors (125408658211).

516374507225 is a wasteful number, since it uses less digits than its factorization.

516374507225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47702476 (or 47702471 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 516374507225 in words is "five hundred sixteen billion, three hundred seventy-four million, five hundred seven thousand, two hundred twenty-five".