25650061 has 8 divisors (see below), whose sum is σ = 26040600. Its totient is φ = 25262400.

The previous prime is 25650047. The next prime is 25650101. The reversal of 25650061 is 16005652.

It can be written as a sum of positive squares in 4 ways, for example, as 8584900 + 17065161 = 2930^2 + 4131^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25650061 - 2⁵ = 25650029 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 (25650011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22575 + ... + 23683.

It is an arithmetic number, because the mean of its divisors is an integer number (3255075).

Almost surely, 2^25650061 is an apocalyptic number.

It is an amenable number.

25650061 is a deficient number, since it is larger than the sum of its proper divisors (390539).

25650061 is a wasteful number, since it uses less digits than its factorization.

25650061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 25650061 is about 5064.5889270502. The cubic root of 25650061 is about 294.9145055325.

The spelling of 25650061 in words is "twenty-five million, six hundred fifty thousand, sixty-one".