20325049 has 2 divisors, whose sum is σ = 20325050. Its totient is φ = 20325048.

The previous prime is 20324999. The next prime is 20325059. The reversal of 20325049 is 94052302.

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., 10758400 + 9566649 = 3280^2 + 3093^2 .

It is a cyclic number.

It is not a de Polignac number, because 20325049 - 2⁷ = 20324921 is a prime.

It is not a weakly prime, because it can be changed into another prime (20325059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162524 + 10162525.

It is an arithmetic number, because the mean of its divisors is an integer number (10162525).

Almost surely, 2^20325049 is an apocalyptic number.

It is an amenable number.

20325049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20325049 is an equidigital number, since it uses as much as digits as its factorization.

20325049 is an evil number, because the sum of its binary digits is even.

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

The square root of 20325049 is about 4508.3310659267. The cubic root of 20325049 is about 272.9043974620.

It can be divided in two parts, 203 and 25049, that added together give a palindrome (25252).

The spelling of 20325049 in words is "twenty million, three hundred twenty-five thousand, forty-nine".