8525472131 has 8 divisors (see below), whose sum is σ = 9301373424. Its totient is φ = 7749713920.

The previous prime is 8525472089. The next prime is 8525472167. The reversal of 8525472131 is 1312745258.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8525472131 is a prime.

It is a super-2 number, since 2×8525472131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8525472181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117335 + ... + 175551.

It is an arithmetic number, because the mean of its divisors is an integer number (1162671678).

Almost surely, 2^8525472131 is an apocalyptic number.

8525472131 is a deficient number, since it is larger than the sum of its proper divisors (775901293).

8525472131 is a wasteful number, since it uses less digits than its factorization.

8525472131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71541.

The product of its digits is 67200, while the sum is 38.

The square root of 8525472131 is about 92333.4832604078. The cubic root of 8525472131 is about 2042.8641150995.

The spelling of 8525472131 in words is "eight billion, five hundred twenty-five million, four hundred seventy-two thousand, one hundred thirty-one".