526217961 has 16 divisors (see below), whose sum is σ = 723444480. Its totient is φ = 340026960.

The previous prime is 526217947. The next prime is 526217971. The reversal of 526217961 is 169712625.

It is not a de Polignac number, because 526217961 - 2¹⁰ = 526216937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (526217941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330 + ... + 32468.

It is an arithmetic number, because the mean of its divisors is an integer number (45215280).

Almost surely, 2^526217961 is an apocalyptic number.

It is an amenable number.

526217961 is a deficient number, since it is larger than the sum of its proper divisors (197226519).

526217961 is a wasteful number, since it uses less digits than its factorization.

526217961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31316.

The product of its digits is 45360, while the sum is 39.

The square root of 526217961 is about 22939.4411658174. The cubic root of 526217961 is about 807.3376803136.

The spelling of 526217961 in words is "five hundred twenty-six million, two hundred seventeen thousand, nine hundred sixty-one".