25601061 has 8 divisors (see below), whose sum is σ = 34179520. Its totient is φ = 17044992.

The previous prime is 25601033. The next prime is 25601083. The reversal of 25601061 is 16010652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25601061 - 2¹⁵ = 25568293 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 (25601011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (4272440).

Almost surely, 2^25601061 is an apocalyptic number.

It is an amenable number.

25601061 is a deficient number, since it is larger than the sum of its proper divisors (8578459).

25601061 is a wasteful number, since it uses less digits than its factorization.

25601061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 25601061 is about 5059.7491044517. The cubic root of 25601061 is about 294.7265914573.

The spelling of 25601061 in words is "twenty-five million, six hundred one thousand, sixty-one".