513422351252 has 24 divisors (see below), whose sum is σ = 960421033152. Its totient is φ = 239560798400.

The previous prime is 513422351227. The next prime is 513422351287. The reversal of 513422351252 is 252153224315.

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, 68053274 + ... + 68060817.

It is an arithmetic number, because the mean of its divisors is an integer number (40017543048).

Almost surely, 2^513422351252 is an apocalyptic number.

It is an amenable number.

513422351252 is a deficient number, since it is larger than the sum of its proper divisors (446998681900).

513422351252 is a wasteful number, since it uses less digits than its factorization.

513422351252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136114159 (or 136114157 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 513422351252 its reverse (252153224315), we get a palindrome (765575575567).

The spelling of 513422351252 in words is "five hundred thirteen billion, four hundred twenty-two million, three hundred fifty-one thousand, two hundred fifty-two".