25209053 has 2 divisors, whose sum is σ = 25209054. Its totient is φ = 25209052.

The previous prime is 25209049. The next prime is 25209071. The reversal of 25209053 is 35090252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 1570009 = 4862^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 25209053 - 2² = 25209049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25209013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12604526 + 12604527.

It is an arithmetic number, because the mean of its divisors is an integer number (12604527).

Almost surely, 2^25209053 is an apocalyptic number.

It is an amenable number.

25209053 is a deficient number, since it is larger than the sum of its proper divisors (1).

25209053 is an equidigital number, since it uses as much as digits as its factorization.

25209053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 25209053 is about 5020.8617786193. The cubic root of 25209053 is about 293.2145454227.

The spelling of 25209053 in words is "twenty-five million, two hundred nine thousand, fifty-three".