52904251 has 4 divisors (see below), whose sum is σ = 52922992. Its totient is φ = 52885512.

The previous prime is 52904249. The next prime is 52904261. The reversal of 52904251 is 15240925.

52904251 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.

It is a cyclic number.

It is not a de Polignac number, because 52904251 - 2¹ = 52904249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52904261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (13230748).

Almost surely, 2^52904251 is an apocalyptic number.

52904251 is a deficient number, since it is larger than the sum of its proper divisors (18741).

52904251 is a wasteful number, since it uses less digits than its factorization.

52904251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 52904251 is about 7273.5308482195. The cubic root of 52904251 is about 375.4022374296.

The spelling of 52904251 in words is "fifty-two million, nine hundred four thousand, two hundred fifty-one".