4526513972 has 24 divisors (see below), whose sum is σ = 8085560616. Its totient is φ = 2216509568.

The previous prime is 4526513951. The next prime is 4526513989. The reversal of 4526513972 is 2793156254.

It can be written as a sum of positive squares in 4 ways, for example, as 551968036 + 3974545936 = 23494^2 + 63044^2 .

It is a super-2 number, since 2×4526513972² = 40978657477422433568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 98918 + ... + 137250.

It is an arithmetic number, because the mean of its divisors is an integer number (336898359).

Almost surely, 2^4526513972 is an apocalyptic number.

It is an amenable number.

4526513972 is a deficient number, since it is larger than the sum of its proper divisors (3559046644).

4526513972 is a wasteful number, since it uses less digits than its factorization.

4526513972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38947 (or 38945 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 4526513972 is about 67279.3725595000. The cubic root of 4526513972 is about 1654.1997661034.

The spelling of 4526513972 in words is "four billion, five hundred twenty-six million, five hundred thirteen thousand, nine hundred seventy-two".