25415241 has 4 divisors (see below), whose sum is σ = 33886992. Its totient is φ = 16943492.

The previous prime is 25415239. The next prime is 25415251. The reversal of 25415241 is 14251452.

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 25415241 - 2¹ = 25415239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25415251) 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, 4235871 + ... + 4235876.

It is an arithmetic number, because the mean of its divisors is an integer number (8471748).

Almost surely, 2^25415241 is an apocalyptic number.

It is an amenable number.

25415241 is a deficient number, since it is larger than the sum of its proper divisors (8471751).

25415241 is an equidigital number, since it uses as much as digits as its factorization.

25415241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471750.

The product of its digits is 1600, while the sum is 24.

The square root of 25415241 is about 5041.3530921767. The cubic root of 25415241 is about 294.0117885967.

Adding to 25415241 its reverse (14251452), we get a palindrome (39666693).

The spelling of 25415241 in words is "twenty-five million, four hundred fifteen thousand, two hundred forty-one".