513154122 has 16 divisors (see below), whose sum is σ = 1105255200. Its totient is φ = 157893552.

The previous prime is 513154097. The next prime is 513154123. The reversal of 513154122 is 221451315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 513154092 and 513154101.

It is not an unprimeable number, because it can be changed into a prime (513154123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3289372 + ... + 3289527.

It is an arithmetic number, because the mean of its divisors is an integer number (69078450).

Almost surely, 2^513154122 is an apocalyptic number.

513154122 is an abundant number, since it is smaller than the sum of its proper divisors (592101078).

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

513154122 is a wasteful number, since it uses less digits than its factorization.

513154122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578917.

The product of its digits is 1200, while the sum is 24.

The square root of 513154122 is about 22652.9053765737. The cubic root of 513154122 is about 800.6006541138.

The spelling of 513154122 in words is "five hundred thirteen million, one hundred fifty-four thousand, one hundred twenty-two".