25230425 has 24 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 17547200.

The previous prime is 25230421. The next prime is 25230427. The reversal of 25230425 is 52403252.

It is not a de Polignac number, because 25230425 - 2² = 25230421 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25230425.

It is not an unprimeable number, because it can be changed into a prime (25230421) 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, 4331 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (1484280).

Almost surely, 2^25230425 is an apocalyptic number.

25230425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25230425 is a deficient number, since it is larger than the sum of its proper divisors (10392295).

25230425 is a wasteful number, since it uses less digits than its factorization.

25230425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4028 counting only the distinct ones).

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

The square root of 25230425 is about 5022.9896476103. The cubic root of 25230425 is about 293.2973835362.

Adding to 25230425 its reverse (52403252), we get a palindrome (77633677).

The spelling of 25230425 in words is "twenty-five million, two hundred thirty thousand, four hundred twenty-five".