52021425 has 12 divisors (see below), whose sum is σ = 86008880. Its totient is φ = 27744720.

The previous prime is 52021399. The next prime is 52021451. The reversal of 52021425 is 52412025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52021399) and next prime (52021451).

It is not a de Polignac number, because 52021425 - 2⁵ = 52021393 is a prime.

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, 346735 + ... + 346884.

Almost surely, 2^52021425 is an apocalyptic number.

It is an amenable number.

52021425 is a deficient number, since it is larger than the sum of its proper divisors (33987455).

52021425 is a wasteful number, since it uses less digits than its factorization.

52021425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693632 (or 693627 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52021425 is about 7212.5879544031. The cubic root of 52021425 is about 373.3023708555.

It can be divided in two parts, 520 and 21425, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 52021425 in words is "fifty-two million, twenty-one thousand, four hundred twenty-five".