52078625 has 8 divisors (see below), whose sum is σ = 64994280. Its totient is φ = 41662800.

The previous prime is 52078603. The next prime is 52078661. The reversal of 52078625 is 52687025.

It can be written as a sum of positive squares in 4 ways, for example, as 11641744 + 40436881 = 3412^2 + 6359^2 .

It is not a de Polignac number, because 52078625 - 2⁶ = 52078561 is a prime.

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, 208190 + ... + 208439.

It is an arithmetic number, because the mean of its divisors is an integer number (8124285).

Almost surely, 2^52078625 is an apocalyptic number.

It is an amenable number.

52078625 is a deficient number, since it is larger than the sum of its proper divisors (12915655).

52078625 is an equidigital number, since it uses as much as digits as its factorization.

52078625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416644 (or 416634 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 52078625 is about 7216.5521545957. The cubic root of 52078625 is about 373.4391419021.

Subtracting 52078625 from its reverse (52687025), we obtain a square (608400 = 780²).

The spelling of 52078625 in words is "fifty-two million, seventy-eight thousand, six hundred twenty-five".