525165253 has 4 divisors (see below), whose sum is σ = 526235328. Its totient is φ = 524095180.

The previous prime is 525165247. The next prime is 525165257. The reversal of 525165253 is 352561525.

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-525165253 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 (525165257) 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, 534301 + ... + 535282.

It is an arithmetic number, because the mean of its divisors is an integer number (131558832).

Almost surely, 2^525165253 is an apocalyptic number.

It is an amenable number.

525165253 is a deficient number, since it is larger than the sum of its proper divisors (1070075).

525165253 is a wasteful number, since it uses less digits than its factorization.

525165253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070074.

The product of its digits is 45000, while the sum is 34.

The square root of 525165253 is about 22916.4843071532. The cubic root of 525165253 is about 806.7989566485.

The spelling of 525165253 in words is "five hundred twenty-five million, one hundred sixty-five thousand, two hundred fifty-three".