25229653 has 2 divisors, whose sum is σ = 25229654. Its totient is φ = 25229652.

The previous prime is 25229641. The next prime is 25229657. The reversal of 25229653 is 35692252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23746129 + 1483524 = 4873^2 + 1218^2 .

It is a cyclic number.

It is not a de Polignac number, because 25229653 - 2¹⁷ = 25098581 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25229657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12614826 + 12614827.

It is an arithmetic number, because the mean of its divisors is an integer number (12614827).

Almost surely, 2^25229653 is an apocalyptic number.

It is an amenable number.

25229653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25229653 is an equidigital number, since it uses as much as digits as its factorization.

25229653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 25229653 is about 5022.9128003580. The cubic root of 25229653 is about 293.2943920700.

The spelling of 25229653 in words is "twenty-five million, two hundred twenty-nine thousand, six hundred fifty-three".