25299011 has 4 divisors (see below), whose sum is σ = 26398992. Its totient is φ = 24199032.

The previous prime is 25298971. The next prime is 25299017. The reversal of 25299011 is 11099252.

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 25299011 - 2¹⁴ = 25282627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25299017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549956 + ... + 550001.

It is an arithmetic number, because the mean of its divisors is an integer number (6599748).

Almost surely, 2^25299011 is an apocalyptic number.

25299011 is a deficient number, since it is larger than the sum of its proper divisors (1099981).

25299011 is a wasteful number, since it uses less digits than its factorization.

25299011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099980.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 25299011 is about 5029.8122231352. The cubic root of 25299011 is about 293.5629081170.

The spelling of 25299011 in words is "twenty-five million, two hundred ninety-nine thousand, eleven".