25653007 has 4 divisors (see below), whose sum is σ = 26137080. Its totient is φ = 25168936.

The previous prime is 25652999. The next prime is 25653011. The reversal of 25653007 is 70035652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25653007 - 2³ = 25652999 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 (25653107) 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, 241957 + ... + 242062.

It is an arithmetic number, because the mean of its divisors is an integer number (6534270).

Almost surely, 2^25653007 is an apocalyptic number.

25653007 is a deficient number, since it is larger than the sum of its proper divisors (484073).

25653007 is an equidigital number, since it uses as much as digits as its factorization.

25653007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484072.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 25653007 is about 5064.8797616528. The cubic root of 25653007 is about 294.9257957574.

Adding to 25653007 its reverse (70035652), we get a palindrome (95688659).

The spelling of 25653007 in words is "twenty-five million, six hundred fifty-three thousand, seven".