25230553 has 2 divisors, whose sum is σ = 25230554. Its totient is φ = 25230552.

The previous prime is 25230547. The next prime is 25230577. The reversal of 25230553 is 35503252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 3356224 = 4677^2 + 1832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25230553 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (25230503) 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 as a sum of consecutive naturals, namely, 12615276 + 12615277.

It is an arithmetic number, because the mean of its divisors is an integer number (12615277).

Almost surely, 2^25230553 is an apocalyptic number.

It is an amenable number.

25230553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230553 is an equidigital number, since it uses as much as digits as its factorization.

25230553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 25230553 is about 5023.0023890100. The cubic root of 25230553 is about 293.2978795247.

The spelling of 25230553 in words is "twenty-five million, two hundred thirty thousand, five hundred fifty-three".