52918225 has 6 divisors (see below), whose sum is σ = 65618630. Its totient is φ = 42334560.

The previous prime is 52918223. The next prime is 52918259. The reversal of 52918225 is 52281925.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 52171729 = 864^2 + 7223^2 .

It is not a de Polignac number, because 52918225 - 2¹ = 52918223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52918223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1058340 + ... + 1058389.

Almost surely, 2^52918225 is an apocalyptic number.

It is an amenable number.

52918225 is a deficient number, since it is larger than the sum of its proper divisors (12700405).

52918225 is a wasteful number, since it uses less digits than its factorization.

52918225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116739 (or 2116734 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 52918225 is about 7274.4913911558. The cubic root of 52918225 is about 375.4352871307.

It can be divided in two parts, 529 and 18225, that multiplied together give a square (9641025 = 3105²).

The spelling of 52918225 in words is "fifty-two million, nine hundred eighteen thousand, two hundred twenty-five".