25280653 has 2 divisors, whose sum is σ = 25280654. Its totient is φ = 25280652.

The previous prime is 25280639. The next prime is 25280669. The reversal of 25280653 is 35608252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24383844 + 896809 = 4938^2 + 947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25280653 is a prime.

It is a super-2 number, since 2×25280653² = 1278222832212818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25280153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640326 + 12640327.

It is an arithmetic number, because the mean of its divisors is an integer number (12640327).

Almost surely, 2^25280653 is an apocalyptic number.

It is an amenable number.

25280653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280653 is an equidigital number, since it uses as much as digits as its factorization.

25280653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 25280653 is about 5027.9869729346. The cubic root of 25280653 is about 293.4918838394.

The spelling of 25280653 in words is "twenty-five million, two hundred eighty thousand, six hundred fifty-three".