253357545 has 32 divisors (see below), whose sum is σ = 490537728. Its totient is φ = 109006848.

The previous prime is 253357493. The next prime is 253357547. The reversal of 253357545 is 545753352.

It is not a de Polignac number, because 253357545 - 2¹² = 253353449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253357547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69184 + ... + 72753.

It is an arithmetic number, because the mean of its divisors is an integer number (15329304).

Almost surely, 2^253357545 is an apocalyptic number.

It is an amenable number.

253357545 is a deficient number, since it is larger than the sum of its proper divisors (237180183).

253357545 is a wasteful number, since it uses less digits than its factorization.

253357545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141969.

The product of its digits is 315000, while the sum is 39.

The square root of 253357545 is about 15917.2090832533. The cubic root of 253357545 is about 632.7681543014.

The spelling of 253357545 in words is "two hundred fifty-three million, three hundred fifty-seven thousand, five hundred forty-five".