253525001 has 4 divisors (see below), whose sum is σ = 253811712. Its totient is φ = 253238292.

The previous prime is 253524979. The next prime is 253525007. The reversal of 253525001 is 100525352.

253525001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253525001 is a prime.

It is a super-2 number, since 2×253525001² = 128549852264100002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253525007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142025 + ... + 143798.

It is an arithmetic number, because the mean of its divisors is an integer number (63452928).

Almost surely, 2^253525001 is an apocalyptic number.

It is an amenable number.

253525001 is a deficient number, since it is larger than the sum of its proper divisors (286711).

253525001 is an equidigital number, since it uses as much as digits as its factorization.

253525001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286710.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 253525001 is about 15922.4684330037. The cubic root of 253525001 is about 632.9075324120.

The spelling of 253525001 in words is "two hundred fifty-three million, five hundred twenty-five thousand, one".