25690027 has 12 divisors (see below), whose sum is σ = 29035656. Its totient is φ = 22541120.

The previous prime is 25690003. The next prime is 25690039. The reversal of 25690027 is 72009652.

It is not a de Polignac number, because 25690027 - 2⁷ = 25689899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25690097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7863 + ... + 10639.

It is an arithmetic number, because the mean of its divisors is an integer number (2419638).

Almost surely, 2^25690027 is an apocalyptic number.

25690027 is a deficient number, since it is larger than the sum of its proper divisors (3345629).

25690027 is a wasteful number, since it uses less digits than its factorization.

25690027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 25690027 is about 5068.5330224829. The cubic root of 25690027 is about 295.0675972643.

Adding to 25690027 its reverse (72009652), we get a palindrome (97699679).

The spelling of 25690027 in words is "twenty-five million, six hundred ninety thousand, twenty-seven".