25003825 has 48 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 15048000.

The previous prime is 25003817. The next prime is 25003843. The reversal of 25003825 is 52830052.

It is not a de Polignac number, because 25003825 - 2³ = 25003817 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25003825.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59466 + ... + 59884.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^25003825 is an apocalyptic number.

25003825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25003825 is a deficient number, since it is larger than the sum of its proper divisors (14993615).

25003825 is a wasteful number, since it uses less digits than its factorization.

25003825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25003825 is about 5000.3824853705. The cubic root of 25003825 is about 292.4166855513.

Adding to 25003825 its reverse (52830052), we get a palindrome (77833877).

The spelling of 25003825 in words is "twenty-five million, three thousand, eight hundred twenty-five".