25263311 has 4 divisors (see below), whose sum is σ = 25282152. Its totient is φ = 25244472.

The previous prime is 25263289. The next prime is 25263313. The reversal of 25263311 is 11336252.

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 25263311 - 2¹⁰ = 25262287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25263313) 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, 7241 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (6320538).

Almost surely, 2^25263311 is an apocalyptic number.

25263311 is a deficient number, since it is larger than the sum of its proper divisors (18841).

25263311 is a wasteful number, since it uses less digits than its factorization.

25263311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840.

The product of its digits is 1080, while the sum is 23.

The square root of 25263311 is about 5026.2621300525. The cubic root of 25263311 is about 293.4247587206.

Adding to 25263311 its reverse (11336252), we get a palindrome (36599563).

The spelling of 25263311 in words is "twenty-five million, two hundred sixty-three thousand, three hundred eleven".