512513225 has 12 divisors (see below), whose sum is σ = 726304704. Its totient is φ = 351437520.

The previous prime is 512513219. The next prime is 512513231. The reversal of 512513225 is 522315215.

It is an interprime number because it is at equal distance from previous prime (512513219) and next prime (512513231).

It is not a de Polignac number, because 512513225 - 2¹⁸ = 512251081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512513194 and 512513203.

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, 1464149 + ... + 1464498.

It is an arithmetic number, because the mean of its divisors is an integer number (60525392).

Almost surely, 2^512513225 is an apocalyptic number.

It is an amenable number.

512513225 is a deficient number, since it is larger than the sum of its proper divisors (213791479).

512513225 is a wasteful number, since it uses less digits than its factorization.

512513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928664 (or 2928659 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 512513225 is about 22638.7549348457. The cubic root of 512513225 is about 800.2672154225.

The spelling of 512513225 in words is "five hundred twelve million, five hundred thirteen thousand, two hundred twenty-five".