25024525 has 6 divisors (see below), whose sum is σ = 31030442. Its totient is φ = 20019600.

The previous prime is 25024513. The next prime is 25024541. The reversal of 25024525 is 52542052.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 44521 + 24980004 = 211^2 + 4998^2 .

It is not a de Polignac number, because 25024525 - 2¹¹ = 25022477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1000981 = 25024525 / (2 + 5 + 0 + 2 + 4 + 5 + 2 + 5).

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 25024525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500466 + ... + 500515.

Almost surely, 2^25024525 is an apocalyptic number.

25024525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25024525 is a deficient number, since it is larger than the sum of its proper divisors (6005917).

25024525 is a wasteful number, since it uses less digits than its factorization.

25024525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000991 (or 1000986 counting only the distinct ones).

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

The square root of 25024525 is about 5002.4518988192. The cubic root of 25024525 is about 292.4973579521.

Adding to 25024525 its reverse (52542052), we get a palindrome (77566577).

The spelling of 25024525 in words is "twenty-five million, twenty-four thousand, five hundred twenty-five".