25935261 has 24 divisors (see below), whose sum is σ = 39057312. Its totient is φ = 15285600.

The previous prime is 25935257. The next prime is 25935269. The reversal of 25935261 is 16253952.

It is not a de Polignac number, because 25935261 - 2² = 25935257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25935269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12466 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (1627388).

Almost surely, 2^25935261 is an apocalyptic number.

It is an amenable number.

25935261 is a deficient number, since it is larger than the sum of its proper divisors (13122051).

25935261 is a wasteful number, since it uses less digits than its factorization.

25935261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1982 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 25935261 is about 5092.6673757472. The cubic root of 25935261 is about 296.0035191023.

The spelling of 25935261 in words is "twenty-five million, nine hundred thirty-five thousand, two hundred sixty-one".