515452630 has 32 divisors (see below), whose sum is σ = 1156757760. Its totient is φ = 160660320.

The previous prime is 515452603. The next prime is 515452649. The reversal of 515452630 is 36254515.

It is a junction number, because it is equal to n+sod(n) for n = 515452592 and 515452601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333940 + ... + 335479.

It is an arithmetic number, because the mean of its divisors is an integer number (36148680).

Almost surely, 2^515452630 is an apocalyptic number.

515452630 is an abundant number, since it is smaller than the sum of its proper divisors (641305130).

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

515452630 is a wasteful number, since it uses less digits than its factorization.

515452630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669444.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 515452630 is about 22703.5818759948. The cubic root of 515452630 is about 801.7942177616.

The spelling of 515452630 in words is "five hundred fifteen million, four hundred fifty-two thousand, six hundred thirty".