25248457 has 8 divisors (see below), whose sum is σ = 28373184. Its totient is φ = 22292688.

The previous prime is 25248427. The next prime is 25248463. The reversal of 25248457 is 75484252.

It is a happy number.

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 25248457 - 2⁷ = 25248329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25248427) 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, 41923 + ... + 42520.

It is an arithmetic number, because the mean of its divisors is an integer number (3546648).

Almost surely, 2^25248457 is an apocalyptic number.

It is an amenable number.

25248457 is a deficient number, since it is larger than the sum of its proper divisors (3124727).

25248457 is a wasteful number, since it uses less digits than its factorization.

25248457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84479.

The product of its digits is 89600, while the sum is 37.

The square root of 25248457 is about 5024.7842739763. The cubic root of 25248457 is about 293.3672393945.

The spelling of 25248457 in words is "twenty-five million, two hundred forty-eight thousand, four hundred fifty-seven".