25120047 has 8 divisors (see below), whose sum is σ = 33641856. Its totient is φ = 16672472.

The previous prime is 25120037. The next prime is 25120091. The reversal of 25120047 is 74002152.

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 25120047 - 2⁸ = 25119791 is a prime.

It is a super-2 number, since 2×25120047² = 1262033522564418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25120037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17763 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (4205232).

Almost surely, 2^25120047 is an apocalyptic number.

25120047 is a deficient number, since it is larger than the sum of its proper divisors (8521809).

25120047 is a wasteful number, since it uses less digits than its factorization.

25120047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37117.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25120047 is about 5011.9903232149. The cubic root of 25120047 is about 292.8690527549.

Adding to 25120047 its reverse (74002152), we get a palindrome (99122199).

The spelling of 25120047 in words is "twenty-five million, one hundred twenty thousand, forty-seven".