25405041 has 8 divisors (see below), whose sum is σ = 35346240. Its totient is φ = 16200272.

The previous prime is 25405019. The next prime is 25405043. The reversal of 25405041 is 14050452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25405041 - 2⁷ = 25404913 is a prime.

It is a super-2 number, since 2×25405041² = 1290832216423362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25404999 and 25405017.

It is not an unprimeable number, because it can be changed into a prime (25405043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184026 + ... + 184163.

It is an arithmetic number, because the mean of its divisors is an integer number (4418280).

Almost surely, 2^25405041 is an apocalyptic number.

It is an amenable number.

25405041 is a deficient number, since it is larger than the sum of its proper divisors (9941199).

25405041 is a wasteful number, since it uses less digits than its factorization.

25405041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368215.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 25405041 is about 5040.3413574876. The cubic root of 25405041 is about 293.9724510259.

Adding to 25405041 its reverse (14050452), we get a palindrome (39455493).

The spelling of 25405041 in words is "twenty-five million, four hundred five thousand, forty-one".