25066319 has 2 divisors, whose sum is σ = 25066320. Its totient is φ = 25066318.

The previous prime is 25066309. The next prime is 25066331. The reversal of 25066319 is 91366052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25066319 - 2¹⁶ = 25000783 is a prime.

It is a super-2 number, since 2×25066319² = 1256640696419522, which contains 22 as substring.

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 (25066309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12533159 + 12533160.

It is an arithmetic number, because the mean of its divisors is an integer number (12533160).

Almost surely, 2^25066319 is an apocalyptic number.

25066319 is a deficient number, since it is larger than the sum of its proper divisors (1).

25066319 is an equidigital number, since it uses as much as digits as its factorization.

25066319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 25066319 is about 5006.6275076143. The cubic root of 25066319 is about 292.6601027707.

The spelling of 25066319 in words is "twenty-five million, sixty-six thousand, three hundred nineteen".