8497424925 has 144 divisors (see below), whose sum is σ = 17958350592. Its totient is φ = 3794227200.

The previous prime is 8497424869. The next prime is 8497424933. The reversal of 8497424925 is 5294247948.

It is a happy number.

8497424925 is a `hidden beast` number, since 84 + 9 + 74 + 2 + 492 + 5 = 666.

It is not a de Polignac number, because 8497424925 - 2⁶ = 8497424861 is a prime.

It is a super-2 number, since 2×8497424925² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1975377 + ... + 1979673.

It is an arithmetic number, because the mean of its divisors is an integer number (124710768).

Almost surely, 2^8497424925 is an apocalyptic number.

8497424925 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8497424925 is an abundant number, since it is smaller than the sum of its proper divisors (9460925667).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8497424925 is a wasteful number, since it uses less digits than its factorization.

8497424925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4380 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8497424925 is about 92181.4782101047. The cubic root of 8497424925 is about 2040.6214405747.

The spelling of 8497424925 in words is "eight billion, four hundred ninety-seven million, four hundred twenty-four thousand, nine hundred twenty-five".