25953019 has 2 divisors, whose sum is σ = 25953020. Its totient is φ = 25953018.

The previous prime is 25953007. The next prime is 25953043. The reversal of 25953019 is 91035952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25953019 - 2¹¹ = 25950971 is a prime.

It is a super-2 number, since 2×25953019² = 1347118390428722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25953079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12976509 + 12976510.

It is an arithmetic number, because the mean of its divisors is an integer number (12976510).

Almost surely, 2^25953019 is an apocalyptic number.

25953019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25953019 is an equidigital number, since it uses as much as digits as its factorization.

25953019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 25953019 is about 5094.4105645305. The cubic root of 25953019 is about 296.0710620412.

The spelling of 25953019 in words is "twenty-five million, nine hundred fifty-three thousand, nineteen".