25514081 has 2 divisors, whose sum is σ = 25514082. Its totient is φ = 25514080.

The previous prime is 25514057. The next prime is 25514087. The reversal of 25514081 is 18041552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25411681 + 102400 = 5041^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 25514081 - 2¹⁸ = 25251937 is a prime.

It is a super-2 number, since 2×25514081² = 1301936658549122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25514081.

It is not a weakly prime, because it can be changed into another prime (25514087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12757040 + 12757041.

It is an arithmetic number, because the mean of its divisors is an integer number (12757041).

Almost surely, 2^25514081 is an apocalyptic number.

It is an amenable number.

25514081 is a deficient number, since it is larger than the sum of its proper divisors (1).

25514081 is an equidigital number, since it uses as much as digits as its factorization.

25514081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 25514081 is about 5051.1465035178. The cubic root of 25514081 is about 294.3924333537.

The spelling of 25514081 in words is "twenty-five million, five hundred fourteen thousand, eighty-one".