25270864 has 10 divisors (see below), whose sum is σ = 48962330. Its totient is φ = 12635424.

The previous prime is 25270829. The next prime is 25270867. The reversal of 25270864 is 46807252.

It can be written as a sum of positive squares in only one way, i.e., 16744464 + 8526400 = 4092^2 + 2920^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25270867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789699 + ... + 789730.

It is an arithmetic number, because the mean of its divisors is an integer number (4896233).

Almost surely, 2^25270864 is an apocalyptic number.

It is an amenable number.

25270864 is a deficient number, since it is larger than the sum of its proper divisors (23691466).

25270864 is a wasteful number, since it uses less digits than its factorization.

25270864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579437 (or 1579431 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 25270864 is about 5027.0134274736. The cubic root of 25270864 is about 293.4539976483.

The spelling of 25270864 in words is "twenty-five million, two hundred seventy thousand, eight hundred sixty-four".