25534994 has 8 divisors (see below), whose sum is σ = 38654220. Its totient is φ = 12650256.

The previous prime is 25534987. The next prime is 25534997. The reversal of 25534994 is 49943552.

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 4950625 = 4537^2 + 2225^2 .

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

It is a super-3 number, since 3×25534994³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25534997) 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, 58349 + ... + 58784.

Almost surely, 2^25534994 is an apocalyptic number.

25534994 is a deficient number, since it is larger than the sum of its proper divisors (13119226).

25534994 is a wasteful number, since it uses less digits than its factorization.

25534994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117244.

The product of its digits is 194400, while the sum is 41.

The square root of 25534994 is about 5053.2162035678. The cubic root of 25534994 is about 294.4728457817.

The spelling of 25534994 in words is "twenty-five million, five hundred thirty-four thousand, nine hundred ninety-four".