25423011 has 8 divisors (see below), whose sum is σ = 37663760. Its totient is φ = 16948656.

The previous prime is 25423009. The next prime is 25423043. The reversal of 25423011 is 11032452.

It is not a de Polignac number, because 25423011 - 2¹ = 25423009 is a prime.

It is a super-2 number, since 2×25423011² = 1292658976612242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25423001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470770 + ... + 470823.

It is an arithmetic number, because the mean of its divisors is an integer number (4707970).

Almost surely, 2^25423011 is an apocalyptic number.

25423011 is a deficient number, since it is larger than the sum of its proper divisors (12240749).

25423011 is an equidigital number, since it uses as much as digits as its factorization.

25423011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941602 (or 941596 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25423011 is about 5042.1236597291. The cubic root of 25423011 is about 294.0417475077.

Adding to 25423011 its reverse (11032452), we get a palindrome (36455463).

The spelling of 25423011 in words is "twenty-five million, four hundred twenty-three thousand, eleven".