25764967 has 4 divisors (see below), whose sum is σ = 25822800. Its totient is φ = 25707136.

The previous prime is 25764961. The next prime is 25764971. The reversal of 25764967 is 76946752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25764967 is a prime.

It is a super-2 number, since 2×25764967² = 1327667049022178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25764961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28243 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (6455700).

Almost surely, 2^25764967 is an apocalyptic number.

25764967 is a deficient number, since it is larger than the sum of its proper divisors (57833).

25764967 is an equidigital number, since it uses as much as digits as its factorization.

25764967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57832.

The product of its digits is 635040, while the sum is 46.

The square root of 25764967 is about 5075.9203106432. The cubic root of 25764967 is about 295.3542311826.

The spelling of 25764967 in words is "twenty-five million, seven hundred sixty-four thousand, nine hundred sixty-seven".