52605291 has 4 divisors (see below), whose sum is σ = 70140392. Its totient is φ = 35070192.

The previous prime is 52605257. The next prime is 52605307. The reversal of 52605291 is 19250625.

It is a happy number.

52605291 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 de Polignac number, because none of the positive numbers 2^k-52605291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52605221) 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, 8767546 + ... + 8767551.

It is an arithmetic number, because the mean of its divisors is an integer number (17535098).

Almost surely, 2^52605291 is an apocalyptic number.

52605291 is a deficient number, since it is larger than the sum of its proper divisors (17535101).

52605291 is a wasteful number, since it uses less digits than its factorization.

52605291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17535100.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 52605291 is about 7252.9505030711. The cubic root of 52605291 is about 374.6937731128.

The spelling of 52605291 in words is "fifty-two million, six hundred five thousand, two hundred ninety-one".