52491245 has 8 divisors (see below), whose sum is σ = 64329984. Its totient is φ = 41099344.

The previous prime is 52491233. The next prime is 52491269. The reversal of 52491245 is 54219425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52491245 - 2⁸ = 52490989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111449 + ... + 111918.

It is an arithmetic number, because the mean of its divisors is an integer number (8041248).

Almost surely, 2^52491245 is an apocalyptic number.

It is an amenable number.

52491245 is a deficient number, since it is larger than the sum of its proper divisors (11838739).

52491245 is a wasteful number, since it uses less digits than its factorization.

52491245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223419.

The product of its digits is 14400, while the sum is 32.

The square root of 52491245 is about 7245.0841955080. The cubic root of 52491245 is about 374.4228038934.

The spelling of 52491245 in words is "fifty-two million, four hundred ninety-one thousand, two hundred forty-five".