25080521 has 2 divisors, whose sum is σ = 25080522. Its totient is φ = 25080520.

The previous prime is 25080499. The next prime is 25080527. The reversal of 25080521 is 12508052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16289296 + 8791225 = 4036^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 25080521 - 2¹⁰ = 25079497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25080527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12540260 + 12540261.

It is an arithmetic number, because the mean of its divisors is an integer number (12540261).

Almost surely, 2^25080521 is an apocalyptic number.

It is an amenable number.

25080521 is a deficient number, since it is larger than the sum of its proper divisors (1).

25080521 is an equidigital number, since it uses as much as digits as its factorization.

25080521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 25080521 is about 5008.0456267890. The cubic root of 25080521 is about 292.7153638305.

Adding to 25080521 its reverse (12508052), we get a palindrome (37588573).

The spelling of 25080521 in words is "twenty-five million, eighty thousand, five hundred twenty-one".