25342493 has 8 divisors (see below), whose sum is σ = 27693120. Its totient is φ = 22999680.

The previous prime is 25342463. The next prime is 25342501. The reversal of 25342493 is 39424352.

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

It is not a de Polignac number, because 25342493 - 2²⁰ = 24293917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6413 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (3461640).

Almost surely, 2^25342493 is an apocalyptic number.

It is an amenable number.

25342493 is a deficient number, since it is larger than the sum of its proper divisors (2350627).

25342493 is a wasteful number, since it uses less digits than its factorization.

25342493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its digits is 25920, while the sum is 32.

The square root of 25342493 is about 5034.1327952290. The cubic root of 25342493 is about 293.7309963261.

The spelling of 25342493 in words is "twenty-five million, three hundred forty-two thousand, four hundred ninety-three".