525253301 has 4 divisors (see below), whose sum is σ = 556150572. Its totient is φ = 494356032.

The previous prime is 525253297. The next prime is 525253303. The reversal of 525253301 is 103352525.

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 149475076 + 375778225 = 12226^2 + 19385^2 .

It is a cyclic number.

It is not a de Polignac number, because 525253301 - 2² = 525253297 is a prime.

It is a super-2 number, since 2×525253301² = 551782060422793202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525253303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15448610 + ... + 15448643.

It is an arithmetic number, because the mean of its divisors is an integer number (139037643).

Almost surely, 2^525253301 is an apocalyptic number.

It is an amenable number.

525253301 is a deficient number, since it is larger than the sum of its proper divisors (30897271).

525253301 is a wasteful number, since it uses less digits than its factorization.

525253301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30897270.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 525253301 is about 22918.4052891993. The cubic root of 525253301 is about 806.8440428155.

The spelling of 525253301 in words is "five hundred twenty-five million, two hundred fifty-three thousand, three hundred one".