25772493 has 16 divisors (see below), whose sum is σ = 38301120. Its totient is φ = 15319296.

The previous prime is 25772423. The next prime is 25772533. The reversal of 25772493 is 39427752.

It is not a de Polignac number, because 25772493 - 2¹⁰ = 25771469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25772423) 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 15 ways as a sum of consecutive naturals, for example, 12330 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (2393820).

Almost surely, 2^25772493 is an apocalyptic number.

It is an amenable number.

25772493 is a deficient number, since it is larger than the sum of its proper divisors (12528627).

25772493 is a wasteful number, since it uses less digits than its factorization.

25772493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26636.

The product of its digits is 105840, while the sum is 39.

The square root of 25772493 is about 5076.6615999099. The cubic root of 25772493 is about 295.3829862430.

The spelling of 25772493 in words is "twenty-five million, seven hundred seventy-two thousand, four hundred ninety-three".