25203049 has 2 divisors, whose sum is σ = 25203050. Its totient is φ = 25203048.

The previous prime is 25203047. The next prime is 25203067. The reversal of 25203049 is 94030252.

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., 18275625 + 6927424 = 4275^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 25203049 - 2¹ = 25203047 is a prime.

Together with 25203047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25203041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12601524 + 12601525.

It is an arithmetic number, because the mean of its divisors is an integer number (12601525).

Almost surely, 2^25203049 is an apocalyptic number.

It is an amenable number.

25203049 is a deficient number, since it is larger than the sum of its proper divisors (1).

25203049 is an equidigital number, since it uses as much as digits as its factorization.

25203049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 25203049 is about 5020.2638376882. The cubic root of 25203049 is about 293.1912654273.

The spelling of 25203049 in words is "twenty-five million, two hundred three thousand, forty-nine".