52430225 has 12 divisors (see below), whose sum is σ = 67840896. Its totient is φ = 40120080.

The previous prime is 52430219. The next prime is 52430233. The reversal of 52430225 is 52203425.

It is not a de Polignac number, because 52430225 - 2⁸ = 52429969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52430225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45017 + ... + 46166.

It is an arithmetic number, because the mean of its divisors is an integer number (5653408).

Almost surely, 2^52430225 is an apocalyptic number.

It is an amenable number.

52430225 is a deficient number, since it is larger than the sum of its proper divisors (15410671).

52430225 is a wasteful number, since it uses less digits than its factorization.

52430225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91216 (or 91211 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52430225 is about 7240.8718397718. The cubic root of 52430225 is about 374.2776613502.

The spelling of 52430225 in words is "fifty-two million, four hundred thirty thousand, two hundred twenty-five".