25693494 has 16 divisors (see below), whose sum is σ = 54409968. Its totient is φ = 8060672.

The previous prime is 25693483. The next prime is 25693501. The reversal of 25693494 is 49439652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125847 + ... + 126050.

It is an arithmetic number, because the mean of its divisors is an integer number (3400623).

Almost surely, 2^25693494 is an apocalyptic number.

25693494 is an abundant number, since it is smaller than the sum of its proper divisors (28716474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25693494 is a wasteful number, since it uses less digits than its factorization.

25693494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251919.

The product of its digits is 233280, while the sum is 42.

The square root of 25693494 is about 5068.8750231190. The cubic root of 25693494 is about 295.0808702923.

The spelling of 25693494 in words is "twenty-five million, six hundred ninety-three thousand, four hundred ninety-four".