253525545 has 96 divisors (see below), whose sum is σ = 561130752. Its totient is φ = 106935552.

The previous prime is 253525543. The next prime is 253525561. The reversal of 253525545 is 545525352.

253525545 is a `hidden beast` number, since 2 + 53 + 52 + 554 + 5 = 666.

It is not a de Polignac number, because 253525545 - 2¹ = 253525543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253525541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 109419 + ... + 111711.

It is an arithmetic number, because the mean of its divisors is an integer number (5845112).

Almost surely, 2^253525545 is an apocalyptic number.

It is an amenable number.

253525545 is an abundant number, since it is smaller than the sum of its proper divisors (307605207).

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

253525545 is a wasteful number, since it uses less digits than its factorization.

253525545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2321 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 253525545 is about 15922.4855157730. The cubic root of 253525545 is about 632.9079850977.

The spelling of 253525545 in words is "two hundred fifty-three million, five hundred twenty-five thousand, five hundred forty-five".