1253520502 has 16 divisors (see below), whose sum is σ = 2035101600. Its totient is φ = 575638272.

The previous prime is 1253520491. The next prime is 1253520547. The reversal of 1253520502 is 2050253521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115963 + ... + 126310.

It is an arithmetic number, because the mean of its divisors is an integer number (127193850).

Almost surely, 2^1253520502 is an apocalyptic number.

1253520502 is a deficient number, since it is larger than the sum of its proper divisors (781581098).

1253520502 is a wasteful number, since it uses less digits than its factorization.

1253520502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242487.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1253520502 is about 35405.0914700132. The cubic root of 1253520502 is about 1078.2276893150.

The spelling of 1253520502 in words is "one billion, two hundred fifty-three million, five hundred twenty thousand, five hundred two".