253306507157 has 16 divisors (see below), whose sum is σ = 281282369280. Its totient is φ = 226185523200.

The previous prime is 253306507133. The next prime is 253306507199. The reversal of 253306507157 is 751705603352.

It is a cyclic number.

It is not a de Polignac number, because 253306507157 - 2¹⁰ = 253306506133 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253306507757) 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, 587444 + ... + 922877.

It is an arithmetic number, because the mean of its divisors is an integer number (17580148080).

Almost surely, 2^253306507157 is an apocalyptic number.

It is an amenable number.

253306507157 is a deficient number, since it is larger than the sum of its proper divisors (27975862123).

253306507157 is a wasteful number, since it uses less digits than its factorization.

253306507157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510604.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 253306507157 in words is "two hundred fifty-three billion, three hundred six million, five hundred seven thousand, one hundred fifty-seven".