25670093 has 4 divisors (see below), whose sum is σ = 26786208. Its totient is φ = 24553980.

The previous prime is 25670041. The next prime is 25670107. The reversal of 25670093 is 39007652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25670093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25670033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558023 + ... + 558068.

It is an arithmetic number, because the mean of its divisors is an integer number (6696552).

Almost surely, 2^25670093 is an apocalyptic number.

25670093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25670093 is a deficient number, since it is larger than the sum of its proper divisors (1116115).

25670093 is a wasteful number, since it uses less digits than its factorization.

25670093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116114.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 25670093 is about 5066.5661941792. The cubic root of 25670093 is about 294.9912589577.

The spelling of 25670093 in words is "twenty-five million, six hundred seventy thousand, ninety-three".