25493870 has 8 divisors (see below), whose sum is σ = 45888984. Its totient is φ = 10197544.

The previous prime is 25493869. The next prime is 25493887. The reversal of 25493870 is 7839452.

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

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274684 + ... + 1274703.

It is an arithmetic number, because the mean of its divisors is an integer number (5736123).

Almost surely, 2^25493870 is an apocalyptic number.

25493870 is a deficient number, since it is larger than the sum of its proper divisors (20395114).

25493870 is a wasteful number, since it uses less digits than its factorization.

25493870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549394.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 25493870 is about 5049.1454722557. The cubic root of 25493870 is about 294.3146784171.

The spelling of 25493870 in words is "twenty-five million, four hundred ninety-three thousand, eight hundred seventy".