25303025 has 24 divisors (see below), whose sum is σ = 34604928. Its totient is φ = 18200000.

The previous prime is 25303001. The next prime is 25303063. The reversal of 25303025 is 52030352.

It is not a de Polignac number, because 25303025 - 2⁶ = 25302961 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25302988 and 25303006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27320 + ... + 28230.

It is an arithmetic number, because the mean of its divisors is an integer number (1441872).

Almost surely, 2^25303025 is an apocalyptic number.

25303025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25303025 is a deficient number, since it is larger than the sum of its proper divisors (9301903).

25303025 is a wasteful number, since it uses less digits than its factorization.

25303025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 25303025 is about 5030.2112281693. The cubic root of 25303025 is about 293.5784330875.

Adding to 25303025 its reverse (52030352), we get a palindrome (77333377).

It can be divided in two parts, 2530 and 3025, that added together give a palindrome (5555).

The spelling of 25303025 in words is "twenty-five million, three hundred three thousand, twenty-five".