25457007 has 8 divisors (see below), whose sum is σ = 35939376. Its totient is φ = 15972992.

The previous prime is 25456993. The next prime is 25457009. The reversal of 25457007 is 70075452.

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 25457007 - 2⁶ = 25456943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25457009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249528 + ... + 249629.

It is an arithmetic number, because the mean of its divisors is an integer number (4492422).

Almost surely, 2^25457007 is an apocalyptic number.

25457007 is a deficient number, since it is larger than the sum of its proper divisors (10482369).

25457007 is a wasteful number, since it uses less digits than its factorization.

25457007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499177.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25457007 is about 5045.4937320346. The cubic root of 25457007 is about 294.1727546866.

The spelling of 25457007 in words is "twenty-five million, four hundred fifty-seven thousand, seven".