52279251 has 8 divisors (see below), whose sum is σ = 70887360. Its totient is φ = 34261992.

The previous prime is 52279247. The next prime is 52279289. The reversal of 52279251 is 15297225.

It is a happy number.

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

It is not a de Polignac number, because 52279251 - 2² = 52279247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52279211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147505 + ... + 147858.

It is an arithmetic number, because the mean of its divisors is an integer number (8860920).

Almost surely, 2^52279251 is an apocalyptic number.

52279251 is a deficient number, since it is larger than the sum of its proper divisors (18608109).

52279251 is a wasteful number, since it uses less digits than its factorization.

52279251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295425.

The product of its digits is 12600, while the sum is 33.

The square root of 52279251 is about 7230.4391982783. The cubic root of 52279251 is about 373.9180690252.

The spelling of 52279251 in words is "fifty-two million, two hundred seventy-nine thousand, two hundred fifty-one".