25535975 has 12 divisors (see below), whose sum is σ = 31958520. Its totient is φ = 20239200.

The previous prime is 25535963. The next prime is 25535999. The reversal of 25535975 is 57953552.

It is not a de Polignac number, because 25535975 - 2¹⁴ = 25519591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1961 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (2663210).

Almost surely, 2^25535975 is an apocalyptic number.

25535975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25535975 is a deficient number, since it is larger than the sum of its proper divisors (6422545).

25535975 is a wasteful number, since it uses less digits than its factorization.

25535975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490 (or 9485 counting only the distinct ones).

The product of its digits is 236250, while the sum is 41.

The square root of 25535975 is about 5053.3132695292. The cubic root of 25535975 is about 294.4766167396.

The spelling of 25535975 in words is "twenty-five million, five hundred thirty-five thousand, nine hundred seventy-five".