25964511 has 4 divisors (see below), whose sum is σ = 34619352. Its totient is φ = 17309672.

The previous prime is 25964509. The next prime is 25964531. The reversal of 25964511 is 11546952.

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

It is a cyclic number.

It is not a de Polignac number, because 25964511 - 2¹ = 25964509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25964501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327416 + ... + 4327421.

It is an arithmetic number, because the mean of its divisors is an integer number (8654838).

Almost surely, 2^25964511 is an apocalyptic number.

25964511 is a deficient number, since it is larger than the sum of its proper divisors (8654841).

25964511 is an equidigital number, since it uses as much as digits as its factorization.

25964511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654840.

The product of its digits is 10800, while the sum is 33.

The square root of 25964511 is about 5095.5383425110. The cubic root of 25964511 is about 296.1147556935.

The spelling of 25964511 in words is "twenty-five million, nine hundred sixty-four thousand, five hundred eleven".