526972117 has 6 divisors (see below), whose sum is σ = 613008438. Its totient is φ = 451690344.

The previous prime is 526972097. The next prime is 526972141. The reversal of 526972117 is 711279625.

It can be written as a sum of positive squares in only one way, i.e., 371371441 + 155600676 = 19271^2 + 12474^2 .

It is not a de Polignac number, because 526972117 - 2¹⁹ = 526447829 is a prime.

It is a super-2 number, since 2×526972117² = 555399224190923378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 526972117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526972157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5377218 + ... + 5377315.

It is an arithmetic number, because the mean of its divisors is an integer number (102168073).

Almost surely, 2^526972117 is an apocalyptic number.

It is an amenable number.

526972117 is a deficient number, since it is larger than the sum of its proper divisors (86036321).

526972117 is a wasteful number, since it uses less digits than its factorization.

526972117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10754547 (or 10754540 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The square root of 526972117 is about 22955.8732571863. The cubic root of 526972117 is about 807.7231783187.

The spelling of 526972117 in words is "five hundred twenty-six million, nine hundred seventy-two thousand, one hundred seventeen".