521348162 has 4 divisors (see below), whose sum is σ = 782022246. Its totient is φ = 260674080.

The previous prime is 521348161. The next prime is 521348183. The reversal of 521348162 is 261843125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 474411961 + 46936201 = 21781^2 + 6851^2 .

It is not an unprimeable number, because it can be changed into a prime (521348161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130337039 + ... + 130337042.

Almost surely, 2^521348162 is an apocalyptic number.

521348162 is a deficient number, since it is larger than the sum of its proper divisors (260674084).

521348162 is a wasteful number, since it uses less digits than its factorization.

521348162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260674083.

The product of its digits is 11520, while the sum is 32.

The square root of 521348162 is about 22833.0497743950. The cubic root of 521348162 is about 804.8394993983.

The spelling of 521348162 in words is "five hundred twenty-one million, three hundred forty-eight thousand, one hundred sixty-two".