25340293 has 4 divisors (see below), whose sum is σ = 27643968. Its totient is φ = 23036620.

The previous prime is 25340291. The next prime is 25340297. The reversal of 25340293 is 39204352.

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 not a de Polignac number, because 25340293 - 2¹ = 25340291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340291) 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, 1151821 + ... + 1151842.

It is an arithmetic number, because the mean of its divisors is an integer number (6910992).

Almost surely, 2^25340293 is an apocalyptic number.

It is an amenable number.

25340293 is a deficient number, since it is larger than the sum of its proper divisors (2303675).

25340293 is a wasteful number, since it uses less digits than its factorization.

25340293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303674.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 25340293 is about 5033.9142821466. The cubic root of 25340293 is about 293.7224964139.

The spelling of 25340293 in words is "twenty-five million, three hundred forty thousand, two hundred ninety-three".