4197525813 has 32 divisors (see below), whose sum is σ = 6796899200. Its totient is φ = 2544524928.

The previous prime is 4197525763. The next prime is 4197525823. The reversal of 4197525813 is 3185257914.

4197525813 is a `hidden beast` number, since 4 + 19 + 7 + 52 + 581 + 3 = 666.

4197525813 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4197525813 - 2¹² = 4197521717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197525823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65728 + ... + 112761.

It is an arithmetic number, because the mean of its divisors is an integer number (212403100).

Almost surely, 2^4197525813 is an apocalyptic number.

It is an amenable number.

4197525813 is a deficient number, since it is larger than the sum of its proper divisors (2599373387).

4197525813 is a wasteful number, since it uses less digits than its factorization.

4197525813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178578 (or 178572 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 4197525813 is about 64788.3154048629. The cubic root of 4197525813 is about 1613.1117644128. Note that the first 3 decimals are identical.

The spelling of 4197525813 in words is "four billion, one hundred ninety-seven million, five hundred twenty-five thousand, eight hundred thirteen".