25457073 has 8 divisors (see below), whose sum is σ = 34860288. Its totient is φ = 16512624.

The previous prime is 25457027. The next prime is 25457077. The reversal of 25457073 is 37075452.

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

It is not a de Polignac number, because 25457073 - 2⁶ = 25457009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25457077) 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, 114561 + ... + 114782.

It is an arithmetic number, because the mean of its divisors is an integer number (4357536).

Almost surely, 2^25457073 is an apocalyptic number.

It is an amenable number.

25457073 is a deficient number, since it is larger than the sum of its proper divisors (9403215).

25457073 is a wasteful number, since it uses less digits than its factorization.

25457073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229383.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 25457073 is about 5045.5002725201. The cubic root of 25457073 is about 294.1730089111.

The spelling of 25457073 in words is "twenty-five million, four hundred fifty-seven thousand, seventy-three".