25214641 has 4 divisors (see below), whose sum is σ = 25801072. Its totient is φ = 24628212.

The previous prime is 25214617. The next prime is 25214669. The reversal of 25214641 is 14641252.

It is a happy number.

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 25214641 - 2¹⁵ = 25181873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25214941) 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, 293151 + ... + 293236.

It is an arithmetic number, because the mean of its divisors is an integer number (6450268).

Almost surely, 2^25214641 is an apocalyptic number.

It is an amenable number.

25214641 is a deficient number, since it is larger than the sum of its proper divisors (586431).

25214641 is an equidigital number, since it uses as much as digits as its factorization.

25214641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586430.

The product of its digits is 1920, while the sum is 25.

The square root of 25214641 is about 5021.4182259597. The cubic root of 25214641 is about 293.2362090929.

Adding to 25214641 its reverse (14641252), we get a palindrome (39855893).

The spelling of 25214641 in words is "twenty-five million, two hundred fourteen thousand, six hundred forty-one".