25142011 has 4 divisors (see below), whose sum is σ = 25237872. Its totient is φ = 25046152.

The previous prime is 25142009. The next prime is 25142021. The reversal of 25142011 is 11024152.

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 25142011 - 2¹ = 25142009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25142021) 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, 47536 + ... + 48061.

It is an arithmetic number, because the mean of its divisors is an integer number (6309468).

Almost surely, 2^25142011 is an apocalyptic number.

25142011 is a deficient number, since it is larger than the sum of its proper divisors (95861).

25142011 is an equidigital number, since it uses as much as digits as its factorization.

25142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95860.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 25142011 is about 5014.1809899524. The cubic root of 25142011 is about 292.9543856896.

Adding to 25142011 its reverse (11024152), we get a palindrome (36166163).

The spelling of 25142011 in words is "twenty-five million, one hundred forty-two thousand, eleven".