25252415 has 8 divisors (see below), whose sum is σ = 30643920. Its totient is φ = 19974592.

The previous prime is 25252363. The next prime is 25252439. The reversal of 25252415 is 51425252.

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

It is a cyclic number.

It is not a de Polignac number, because 25252415 - 2¹⁴ = 25236031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27929 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (3830490).

Almost surely, 2^25252415 is an apocalyptic number.

25252415 is a deficient number, since it is larger than the sum of its proper divisors (5391505).

25252415 is an equidigital number, since it uses as much as digits as its factorization.

25252415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56841.

The product of its digits is 4000, while the sum is 26.

The square root of 25252415 is about 5025.1781062963. The cubic root of 25252415 is about 293.3825682106.

Adding to 25252415 its reverse (51425252), we get a palindrome (76677667).

The spelling of 25252415 in words is "twenty-five million, two hundred fifty-two thousand, four hundred fifteen".