520153412 has 6 divisors (see below), whose sum is σ = 910268478. Its totient is φ = 260076704.

The previous prime is 520153373. The next prime is 520153427. The reversal of 520153412 is 214351025.

It can be written as a sum of positive squares in only one way, i.e., 368025856 + 152127556 = 19184^2 + 12334^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65019173 + ... + 65019180.

It is an arithmetic number, because the mean of its divisors is an integer number (151711413).

Almost surely, 2^520153412 is an apocalyptic number.

It is an amenable number.

520153412 is a deficient number, since it is larger than the sum of its proper divisors (390115066).

520153412 is a wasteful number, since it uses less digits than its factorization.

520153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130038357 (or 130038355 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 520153412 is about 22806.8720345426. The cubic root of 520153412 is about 804.2242244012.

The spelling of 520153412 in words is "five hundred twenty million, one hundred fifty-three thousand, four hundred twelve".