25148915 has 8 divisors (see below), whose sum is σ = 32922288. Its totient is φ = 18290080.

The previous prime is 25148911. The next prime is 25148923. The reversal of 25148915 is 51984152.

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

It is not a de Polignac number, because 25148915 - 2² = 25148911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25148911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228572 + ... + 228681.

It is an arithmetic number, because the mean of its divisors is an integer number (4115286).

Almost surely, 2^25148915 is an apocalyptic number.

25148915 is a deficient number, since it is larger than the sum of its proper divisors (7773373).

25148915 is a wasteful number, since it uses less digits than its factorization.

25148915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457269.

The product of its digits is 14400, while the sum is 35.

The square root of 25148915 is about 5014.8693901237. The cubic root of 25148915 is about 292.9811983416.

The spelling of 25148915 in words is "twenty-five million, one hundred forty-eight thousand, nine hundred fifteen".