25035261 has 4 divisors (see below), whose sum is σ = 33380352. Its totient is φ = 16690172.

The previous prime is 25035253. The next prime is 25035281. The reversal of 25035261 is 16253052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25035261 - 2³ = 25035253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25035211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172541 + ... + 4172546.

It is an arithmetic number, because the mean of its divisors is an integer number (8345088).

Almost surely, 2^25035261 is an apocalyptic number.

It is an amenable number.

25035261 is a deficient number, since it is larger than the sum of its proper divisors (8345091).

25035261 is an equidigital number, since it uses as much as digits as its factorization.

25035261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345090.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25035261 is about 5003.5248575379. The cubic root of 25035261 is about 292.5391809593.

It can be divided in two parts, 250 and 35261, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 25035261 in words is "twenty-five million, thirty-five thousand, two hundred sixty-one".