52278625 has 16 divisors (see below), whose sum is σ = 74565504. Its totient is φ = 35847600.

The previous prime is 52278613. The next prime is 52278631. The reversal of 52278625 is 52687225.

It is not a de Polignac number, because 52278625 - 2⁵ = 52278593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28999 + ... + 30748.

It is an arithmetic number, because the mean of its divisors is an integer number (4660344).

Almost surely, 2^52278625 is an apocalyptic number.

It is an amenable number.

52278625 is a deficient number, since it is larger than the sum of its proper divisors (22286879).

52278625 is an equidigital number, since it uses as much as digits as its factorization.

52278625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59769 (or 59759 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 52278625 is about 7230.3959089389. The cubic root of 52278625 is about 373.9165765680.

The spelling of 52278625 in words is "fifty-two million, two hundred seventy-eight thousand, six hundred twenty-five".