525753253 has 4 divisors (see below), whose sum is σ = 526007020. Its totient is φ = 525499488.

The previous prime is 525753247. The next prime is 525753257. The reversal of 525753253 is 352357525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498941569 + 26811684 = 22337^2 + 5178^2 .

It is a cyclic number.

It is not a de Polignac number, because 525753253 - 2⁹ = 525752741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525753257) 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, 123750 + ... + 127927.

It is an arithmetic number, because the mean of its divisors is an integer number (131501755).

Almost surely, 2^525753253 is an apocalyptic number.

It is an amenable number.

525753253 is a deficient number, since it is larger than the sum of its proper divisors (253767).

525753253 is a wasteful number, since it uses less digits than its factorization.

525753253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253766.

The product of its digits is 157500, while the sum is 37.

The square root of 525753253 is about 22929.3099111159. The cubic root of 525753253 is about 807.0999545033.

The spelling of 525753253 in words is "five hundred twenty-five million, seven hundred fifty-three thousand, two hundred fifty-three".