25493693 has 8 divisors (see below), whose sum is σ = 27568512. Its totient is φ = 23482816.

The previous prime is 25493651. The next prime is 25493707. The reversal of 25493693 is 39639452.

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

It is a cyclic number.

It is not a de Polignac number, because 25493693 - 2¹⁰ = 25492669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25493693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25493593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15155 + ... + 16752.

It is an arithmetic number, because the mean of its divisors is an integer number (3446064).

Almost surely, 2^25493693 is an apocalyptic number.

It is an amenable number.

25493693 is a deficient number, since it is larger than the sum of its proper divisors (2074819).

25493693 is a wasteful number, since it uses less digits than its factorization.

25493693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31971.

The product of its digits is 174960, while the sum is 41.

The square root of 25493693 is about 5049.1279445069. The cubic root of 25493693 is about 294.3139972884.

The spelling of 25493693 in words is "twenty-five million, four hundred ninety-three thousand, six hundred ninety-three".