25490601 has 12 divisors (see below), whose sum is σ = 38420928. Its totient is φ = 16254744.

The previous prime is 25490593. The next prime is 25490603. The reversal of 25490601 is 10609452.

25490601 is a `hidden beast` number, since 2 + 54 + 9 + 0 + 601 = 666.

It is not a de Polignac number, because 25490601 - 2³ = 25490593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25490603) 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, 61365 + ... + 61778.

It is an arithmetic number, because the mean of its divisors is an integer number (3201744).

Almost surely, 2^25490601 is an apocalyptic number.

It is an amenable number.

25490601 is a deficient number, since it is larger than the sum of its proper divisors (12930327).

25490601 is a wasteful number, since it uses less digits than its factorization.

25490601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123172 (or 123169 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 25490601 is about 5048.8217437339. The cubic root of 25490601 is about 294.3020981928.

The spelling of 25490601 in words is "twenty-five million, four hundred ninety thousand, six hundred one".