25212741 has 4 divisors (see below), whose sum is σ = 33616992. Its totient is φ = 16808492.

The previous prime is 25212713. The next prime is 25212767. The reversal of 25212741 is 14721252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25212741 - 2¹⁴ = 25196357 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25212701) 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 3 ways as a sum of consecutive naturals, for example, 4202121 + ... + 4202126.

It is an arithmetic number, because the mean of its divisors is an integer number (8404248).

Almost surely, 2^25212741 is an apocalyptic number.

It is an amenable number.

25212741 is a deficient number, since it is larger than the sum of its proper divisors (8404251).

25212741 is an equidigital number, since it uses as much as digits as its factorization.

25212741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404250.

The product of its digits is 1120, while the sum is 24.

The square root of 25212741 is about 5021.2290328166. The cubic root of 25212741 is about 293.2288434940.

Adding to 25212741 its reverse (14721252), we get a palindrome (39933993).

The spelling of 25212741 in words is "twenty-five million, two hundred twelve thousand, seven hundred forty-one".