1253225564 has 24 divisors (see below), whose sum is σ = 2291845920. Its totient is φ = 598492224.

The previous prime is 1253225551. The next prime is 1253225591. The reversal of 1253225564 is 4655223521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55622 + ... + 74834.

It is an arithmetic number, because the mean of its divisors is an integer number (95493580).

Almost surely, 2^1253225564 is an apocalyptic number.

It is an amenable number.

1253225564 is a deficient number, since it is larger than the sum of its proper divisors (1038620356).

1253225564 is a wasteful number, since it uses less digits than its factorization.

1253225564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19949 (or 19947 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 1253225564 is about 35400.9260330856. The cubic root of 1253225564 is about 1078.1431180981.

The spelling of 1253225564 in words is "one billion, two hundred fifty-three million, two hundred twenty-five thousand, five hundred sixty-four".