25940495 has 16 divisors (see below), whose sum is σ = 36445248. Its totient is φ = 17352960.

The previous prime is 25940483. The next prime is 25940513. The reversal of 25940495 is 59404952.

25940495 = 146² + 147² + ... + 432².

It is not a de Polignac number, because 25940495 - 2¹² = 25936399 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 7604 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (2277828).

Almost surely, 2^25940495 is an apocalyptic number.

25940495 is a deficient number, since it is larger than the sum of its proper divisors (10504753).

25940495 is a wasteful number, since it uses less digits than its factorization.

25940495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18130.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25940495 is about 5093.1812259137. The cubic root of 25940495 is about 296.0234299386.

The spelling of 25940495 in words is "twenty-five million, nine hundred forty thousand, four hundred ninety-five".