1253562402 has 32 divisors (see below), whose sum is σ = 2568962880. Its totient is φ = 407574720.

The previous prime is 1253562397. The next prime is 1253562403. The reversal of 1253562402 is 2042653521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253562402.

It is not an unprimeable number, because it can be changed into a prime (1253562403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210952 + ... + 216812.

It is an arithmetic number, because the mean of its divisors is an integer number (80280090).

Almost surely, 2^1253562402 is an apocalyptic number.

1253562402 is an abundant number, since it is smaller than the sum of its proper divisors (1315400478).

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

1253562402 is a wasteful number, since it uses less digits than its factorization.

1253562402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1253562402 is about 35405.6831878725. The cubic root of 1253562402 is about 1078.2397027435.

The spelling of 1253562402 in words is "one billion, two hundred fifty-three million, five hundred sixty-two thousand, four hundred two".