52212425 has 6 divisors (see below), whose sum is σ = 64743438. Its totient is φ = 41769920.

The previous prime is 52212379. The next prime is 52212427. The reversal of 52212425 is 52421225.

52212425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3254416 + 48958009 = 1804^2 + 6997^2 .

It is not a de Polignac number, because 52212425 - 2⁸ = 52212169 is a prime.

It is a super-2 number, since 2×52212425² = 5452274648761250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52212425.

It is not an unprimeable number, because it can be changed into a prime (52212427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1044224 + ... + 1044273.

It is an arithmetic number, because the mean of its divisors is an integer number (10790573).

Almost surely, 2^52212425 is an apocalyptic number.

It is an amenable number.

52212425 is a deficient number, since it is larger than the sum of its proper divisors (12531013).

52212425 is a wasteful number, since it uses less digits than its factorization.

52212425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088507 (or 2088502 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 52212425 is about 7225.8165628529. The cubic root of 52212425 is about 373.7586807229.

The spelling of 52212425 in words is "fifty-two million, two hundred twelve thousand, four hundred twenty-five".