253501525145 has 16 divisors (see below), whose sum is σ = 335277750528. Its totient is φ = 182464074240.

The previous prime is 253501525117. The next prime is 253501525163. The reversal of 253501525145 is 541525105352.

It is not a de Polignac number, because 253501525145 - 2⁸ = 253501524889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253501525099 and 253501525108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23753009 + ... + 23763678.

It is an arithmetic number, because the mean of its divisors is an integer number (20954859408).

Almost surely, 2^253501525145 is an apocalyptic number.

It is an amenable number.

253501525145 is a deficient number, since it is larger than the sum of its proper divisors (81776225383).

253501525145 is a wasteful number, since it uses less digits than its factorization.

253501525145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47516800.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 253501525145 in words is "two hundred fifty-three billion, five hundred one million, five hundred twenty-five thousand, one hundred forty-five".