25534117 has 8 divisors (see below), whose sum is σ = 30450816. Its totient is φ = 20934672.

The previous prime is 25534109. The next prime is 25534121. The reversal of 25534117 is 71143552.

It is a happy number.

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 25534117 - 2³ = 25534109 is a prime.

It is a super-2 number, since 2×25534117² = 1303982261939378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25534177) 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, 79138 + ... + 79459.

It is an arithmetic number, because the mean of its divisors is an integer number (3806352).

Almost surely, 2^25534117 is an apocalyptic number.

It is an amenable number.

25534117 is a deficient number, since it is larger than the sum of its proper divisors (4916699).

25534117 is a wasteful number, since it uses less digits than its factorization.

25534117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158627.

The product of its digits is 4200, while the sum is 28.

The square root of 25534117 is about 5053.1294264050. The cubic root of 25534117 is about 294.4694745174.

Adding to 25534117 its reverse (71143552), we get a palindrome (96677669).

It can be divided in two parts, 25534 and 117, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 25534117 in words is "twenty-five million, five hundred thirty-four thousand, one hundred seventeen".