25485757 has 8 divisors (see below), whose sum is σ = 27862272. Its totient is φ = 23119200.

The previous prime is 25485743. The next prime is 25485763. The reversal of 25485757 is 75758452.

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 25485757 - 2²³ = 17097149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25485727) 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 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 7954.

It is an arithmetic number, because the mean of its divisors is an integer number (3482784).

Almost surely, 2^25485757 is an apocalyptic number.

It is an amenable number.

25485757 is a deficient number, since it is larger than the sum of its proper divisors (2376515).

25485757 is a wasteful number, since it uses less digits than its factorization.

25485757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979.

The product of its digits is 392000, while the sum is 43.

The square root of 25485757 is about 5048.3420050547. The cubic root of 25485757 is about 294.2834548548.

The spelling of 25485757 in words is "twenty-five million, four hundred eighty-five thousand, seven hundred fifty-seven".