25580063 has 2 divisors, whose sum is σ = 25580064. Its totient is φ = 25580062.
The previous prime is 25580047. The next prime is 25580077. The reversal of 25580063 is 36008552.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25580063 - 24 = 25580047 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25580033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12790031 + 12790032.
It is an arithmetic number, because the mean of its divisors is an integer number (12790032).
Almost surely, 225580063 is an apocalyptic number.
25580063 is a deficient number, since it is larger than the sum of its proper divisors (1).
25580063 is an equidigital number, since it uses as much as digits as its factorization.
25580063 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 25580063 is about 5057.6736747244. The cubic root of 25580063 is about 294.6459911295.
The spelling of 25580063 in words is "twenty-five million, five hundred eighty thousand, sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •