25252503 has 8 divisors (see below), whose sum is σ = 33840000. Its totient is φ = 16750008.

The previous prime is 25252457. The next prime is 25252529. The reversal of 25252503 is 30525252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25252503 - 2⁶ = 25252439 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20553 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (4230000).

Almost surely, 2^25252503 is an apocalyptic number.

25252503 is a deficient number, since it is larger than the sum of its proper divisors (8587497).

25252503 is a wasteful number, since it uses less digits than its factorization.

25252503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42501.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25252503 is about 5025.1868621973. The cubic root of 25252503 is about 293.3829090049.

Adding to 25252503 its reverse (30525252), we get a palindrome (55777755).

The spelling of 25252503 in words is "twenty-five million, two hundred fifty-two thousand, five hundred three".