25335971 has 2 divisors, whose sum is σ = 25335972. Its totient is φ = 25335970.

The previous prime is 25335953. The next prime is 25335977. The reversal of 25335971 is 17953352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25335971 - 2⁶ = 25335907 is a prime.

It is a super-2 number, since 2×25335971² = 1283822853025682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25335977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12667985 + 12667986.

It is an arithmetic number, because the mean of its divisors is an integer number (12667986).

Almost surely, 2^25335971 is an apocalyptic number.

25335971 is a deficient number, since it is larger than the sum of its proper divisors (1).

25335971 is an equidigital number, since it uses as much as digits as its factorization.

25335971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 35.

The square root of 25335971 is about 5033.4849756406. The cubic root of 25335971 is about 293.7057965175.

The spelling of 25335971 in words is "twenty-five million, three hundred thirty-five thousand, nine hundred seventy-one".