25161433 has 8 divisors (see below), whose sum is σ = 27488160. Its totient is φ = 22841280.

The previous prime is 25161401. The next prime is 25161439. The reversal of 25161433 is 33416152.

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

It is not a de Polignac number, because 25161433 - 2⁵ = 25161401 is a prime.

It is a super-2 number, since 2×25161433² = 1266195421226978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25161398 and 25161407.

It is not an unprimeable number, because it can be changed into a prime (25161439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9966 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (3436020).

Almost surely, 2^25161433 is an apocalyptic number.

It is an amenable number.

25161433 is a deficient number, since it is larger than the sum of its proper divisors (2326727).

25161433 is a wasteful number, since it uses less digits than its factorization.

25161433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its digits is 2160, while the sum is 25.

The square root of 25161433 is about 5016.1173231893. The cubic root of 25161433 is about 293.0298012375.

Adding to 25161433 its reverse (33416152), we get a palindrome (58577585).

The spelling of 25161433 in words is "twenty-five million, one hundred sixty-one thousand, four hundred thirty-three".