25034661 has 6 divisors (see below), whose sum is σ = 36161190. Its totient is φ = 16689768.

The previous prime is 25034629. The next prime is 25034677. The reversal of 25034661 is 16643052.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 4730625 = 4506^2 + 2175^2 .

It is not a de Polignac number, because 25034661 - 2⁵ = 25034629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25034161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1390806 + ... + 1390823.

It is an arithmetic number, because the mean of its divisors is an integer number (6026865).

Almost surely, 2^25034661 is an apocalyptic number.

It is an amenable number.

25034661 is a deficient number, since it is larger than the sum of its proper divisors (11126529).

25034661 is a wasteful number, since it uses less digits than its factorization.

25034661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781635 (or 2781632 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25034661 is about 5003.4648994472. The cubic root of 25034661 is about 292.5368439234.

The spelling of 25034661 in words is "twenty-five million, thirty-four thousand, six hundred sixty-one".