523021480 has 32 divisors (see below), whose sum is σ = 1179104040. Its totient is φ = 208798720.

The previous prime is 523021469. The next prime is 523021487. The reversal of 523021480 is 84120325.

It can be written as a sum of positive squares in 4 ways, for example, as 315488644 + 207532836 = 17762^2 + 14406^2 .

It is not an unprimeable number, because it can be changed into a prime (523021487) 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, 8292 + ... + 33388.

Almost surely, 2^523021480 is an apocalyptic number.

It is an amenable number.

523021480 is an abundant number, since it is smaller than the sum of its proper divisors (656082560).

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

523021480 is a wasteful number, since it uses less digits than its factorization.

523021480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25629 (or 25625 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 523021480 is about 22869.6628746468. The cubic root of 523021480 is about 805.6996502140.

The spelling of 523021480 in words is "five hundred twenty-three million, twenty-one thousand, four hundred eighty".