1253520532 has 24 divisors (see below), whose sum is σ = 2406468960. Its totient is φ = 566595360.

The previous prime is 1253520491. The next prime is 1253520547. The reversal of 1253520532 is 2350253521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253520532.

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, 71703 + ... + 87454.

It is an arithmetic number, because the mean of its divisors is an integer number (100269540).

Almost surely, 2^1253520532 is an apocalyptic number.

It is an amenable number.

1253520532 is a deficient number, since it is larger than the sum of its proper divisors (1152948428).

1253520532 is a wasteful number, since it uses less digits than its factorization.

1253520532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159351 (or 159349 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1253520532 is about 35405.0918936811. The cubic root of 1253520532 is about 1078.2276979166.

The spelling of 1253520532 in words is "one billion, two hundred fifty-three million, five hundred twenty thousand, five hundred thirty-two".