526864047 has 4 divisors (see below), whose sum is σ = 702485400. Its totient is φ = 351242696.

The previous prime is 526864033. The next prime is 526864067. The reversal of 526864047 is 740468625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 526864047 - 2¹⁸ = 526601903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526864007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87810672 + ... + 87810677.

It is an arithmetic number, because the mean of its divisors is an integer number (175621350).

Almost surely, 2^526864047 is an apocalyptic number.

526864047 is a deficient number, since it is larger than the sum of its proper divisors (175621353).

526864047 is a wasteful number, since it uses less digits than its factorization.

526864047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175621352.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 526864047 is about 22953.5192726519. The cubic root of 526864047 is about 807.6679593239.

The spelling of 526864047 in words is "five hundred twenty-six million, eight hundred sixty-four thousand, forty-seven".