1520561452 has 24 divisors (see below), whose sum is σ = 2721111120. Its totient is φ = 743244480.

The previous prime is 1520561429. The next prime is 1520561453. The reversal of 1520561452 is 2541650251.

It is not an unprimeable number, because it can be changed into a prime (1520561453) 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, 24918 + ... + 60514.

It is an arithmetic number, because the mean of its divisors is an integer number (113379630).

Almost surely, 2^1520561452 is an apocalyptic number.

It is an amenable number.

1520561452 is a deficient number, since it is larger than the sum of its proper divisors (1200549668).

1520561452 is a wasteful number, since it uses less digits than its factorization.

1520561452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35841 (or 35839 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1520561452 is about 38994.3771844095. The cubic root of 1520561452 is about 1149.9209654569.

The spelling of 1520561452 in words is "one billion, five hundred twenty million, five hundred sixty-one thousand, four hundred fifty-two".