1253552401 has 8 divisors (see below), whose sum is σ = 1266619680. Its totient is φ = 1240510368.

The previous prime is 1253552393. The next prime is 1253552407. The reversal of 1253552401 is 1042553521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253552401 - 2³ = 1253552393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253552401.

It is not an unprimeable number, because it can be changed into a prime (1253552407) 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, 103285 + ... + 114781.

It is an arithmetic number, because the mean of its divisors is an integer number (158327460).

Almost surely, 2^1253552401 is an apocalyptic number.

It is an amenable number.

1253552401 is a deficient number, since it is larger than the sum of its proper divisors (13067279).

1253552401 is a wasteful number, since it uses less digits than its factorization.

1253552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12623.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1253552401 is about 35405.5419532027. The cubic root of 1253552401 is about 1078.2368353144.

The spelling of 1253552401 in words is "one billion, two hundred fifty-three million, five hundred fifty-two thousand, four hundred one".