52425025 has 24 divisors (see below), whose sum is σ = 69229944. Its totient is φ = 39244800.

The previous prime is 52425017. The next prime is 52425029. The reversal of 52425025 is 52052425.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 10732176 + 41692849 = 3276^2 + 6457^2 .

It is not a de Polignac number, because 52425025 - 2³ = 52425017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52425029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124315 + ... + 124735.

It is an arithmetic number, because the mean of its divisors is an integer number (2884581).

Almost surely, 2^52425025 is an apocalyptic number.

It is an amenable number.

52425025 is a deficient number, since it is larger than the sum of its proper divisors (16804919).

52425025 is a wasteful number, since it uses less digits than its factorization.

52425025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52425025 is about 7240.5127580856. The cubic root of 52425025 is about 374.2652873924.

The spelling of 52425025 in words is "fifty-two million, four hundred twenty-five thousand, twenty-five".