25512141 has 16 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 16285248.

The previous prime is 25512139. The next prime is 25512143. The reversal of 25512141 is 14121552.

It is an interprime number because it is at equal distance from previous prime (25512139) and next prime (25512143).

It is not a de Polignac number, because 25512141 - 2¹ = 25512139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25512143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9895 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^25512141 is an apocalyptic number.

It is an amenable number.

25512141 is a deficient number, since it is larger than the sum of its proper divisors (9969459).

25512141 is a wasteful number, since it uses less digits than its factorization.

25512141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468.

The product of its digits is 400, while the sum is 21.

The square root of 25512141 is about 5050.9544642572. The cubic root of 25512141 is about 294.3849716467.

Adding to 25512141 its reverse (14121552), we get a palindrome (39633693).

The spelling of 25512141 in words is "twenty-five million, five hundred twelve thousand, one hundred forty-one".