25419045 has 8 divisors (see below), whose sum is σ = 40670496. Its totient is φ = 13556816.

The previous prime is 25419041. The next prime is 25419047. The reversal of 25419045 is 54091452.

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 25419045 - 2² = 25419041 is a prime.

It is a super-2 number, since 2×25419045² = 1292255697424050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25419041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847287 + ... + 847316.

It is an arithmetic number, because the mean of its divisors is an integer number (5083812).

Almost surely, 2^25419045 is an apocalyptic number.

It is an amenable number.

25419045 is a deficient number, since it is larger than the sum of its proper divisors (15251451).

25419045 is a wasteful number, since it uses less digits than its factorization.

25419045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694611.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 25419045 is about 5041.7303577244. The cubic root of 25419045 is about 294.0264565020.

It can be divided in two parts, 25 and 419045, that added together give a triangular number (419070 = T₉₁₅).

The spelling of 25419045 in words is "twenty-five million, four hundred nineteen thousand, forty-five".