25272605 has 32 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 18547200.

The previous prime is 25272593. The next prime is 25272613. The reversal of 25272605 is 50627252.

It is not a de Polignac number, because 25272605 - 2⁸ = 25272349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414275 + ... + 414335.

It is an arithmetic number, because the mean of its divisors is an integer number (1031184).

Almost surely, 2^25272605 is an apocalyptic number.

It is an amenable number.

25272605 is a deficient number, since it is larger than the sum of its proper divisors (7725283).

25272605 is a wasteful number, since it uses less digits than its factorization.

25272605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25272605 is about 5027.1865889382. The cubic root of 25272605 is about 293.4607365246.

Adding to 25272605 its reverse (50627252), we get a palindrome (75899857).

The spelling of 25272605 in words is "twenty-five million, two hundred seventy-two thousand, six hundred five".