53202725 has 12 divisors (see below), whose sum is σ = 67217796. Its totient is φ = 41758080.

The previous prime is 53202697. The next prime is 53202761. The reversal of 53202725 is 52720235.

It can be written as a sum of positive squares in 6 ways, for example, as 289 + 53202436 = 17^2 + 7294^2 .

It is not a de Polignac number, because 53202725 - 2⁶ = 53202661 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53202694 and 53202703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18752 + ... + 21401.

It is an arithmetic number, because the mean of its divisors is an integer number (5601483).

Almost surely, 2^53202725 is an apocalyptic number.

It is an amenable number.

53202725 is a deficient number, since it is larger than the sum of its proper divisors (14015071).

53202725 is a wasteful number, since it uses less digits than its factorization.

53202725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40216 (or 40211 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53202725 is about 7294.0198107765. The cubic root of 53202725 is about 376.1068925189.

The spelling of 53202725 in words is "fifty-three million, two hundred two thousand, seven hundred twenty-five".