526212816 has 80 divisors (see below), whose sum is σ = 1407719424. Its totient is φ = 169247232.

The previous prime is 526212811. The next prime is 526212821. The reversal of 526212816 is 618212625.

It is an interprime number because it is at equal distance from previous prime (526212811) and next prime (526212821).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526212811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224386 + ... + 226718.

Almost surely, 2^526212816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526212816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703859712).

526212816 is an abundant number, since it is smaller than the sum of its proper divisors (881506608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

526212816 is a wasteful number, since it uses less digits than its factorization.

526212816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2502 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 526212816 is about 22939.3290224453. The cubic root of 526212816 is about 807.3350491062.

The spelling of 526212816 in words is "five hundred twenty-six million, two hundred twelve thousand, eight hundred sixteen".