25457223 has 8 divisors (see below), whose sum is σ = 37028736. Its totient is φ = 15428600.

The previous prime is 25457213. The next prime is 25457233. The reversal of 25457223 is 32275452.

It is an interprime number because it is at equal distance from previous prime (25457213) and next prime (25457233).

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

It is not a de Polignac number, because 25457223 - 2⁸ = 25456967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25457213) 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, 385683 + ... + 385748.

It is an arithmetic number, because the mean of its divisors is an integer number (4628592).

Almost surely, 2^25457223 is an apocalyptic number.

25457223 is a deficient number, since it is larger than the sum of its proper divisors (11571513).

25457223 is a wasteful number, since it uses less digits than its factorization.

25457223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771445.

The product of its digits is 16800, while the sum is 30.

The square root of 25457223 is about 5045.5151372283. The cubic root of 25457223 is about 294.1735866924.

The spelling of 25457223 in words is "twenty-five million, four hundred fifty-seven thousand, two hundred twenty-three".