25293087 has 16 divisors (see below), whose sum is σ = 37762560. Its totient is φ = 16731000.

The previous prime is 25293071. The next prime is 25293109. The reversal of 25293087 is 78039252.

It is a happy number.

It is not a de Polignac number, because 25293087 - 2⁴ = 25293071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25293067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 7112.

It is an arithmetic number, because the mean of its divisors is an integer number (2360160).

Almost surely, 2^25293087 is an apocalyptic number.

25293087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25293087 is a deficient number, since it is larger than the sum of its proper divisors (12469473).

25293087 is a wasteful number, since it uses less digits than its factorization.

25293087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291 (or 7285 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25293087 is about 5029.2232998744. The cubic root of 25293087 is about 293.5399928283.

It can be divided in two parts, 252 and 93087, that added together give a palindrome (93339).

The spelling of 25293087 in words is "twenty-five million, two hundred ninety-three thousand, eighty-seven".