526950869 has 2 divisors, whose sum is σ = 526950870. Its totient is φ = 526950868.

The previous prime is 526950859. The next prime is 526950881. The reversal of 526950869 is 968059625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274299844 + 252651025 = 16562^2 + 15895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526950869 is a prime.

It is a super-2 number, since 2×526950869² = 555354436679710322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526950839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263475434 + 263475435.

It is an arithmetic number, because the mean of its divisors is an integer number (263475435).

Almost surely, 2^526950869 is an apocalyptic number.

It is an amenable number.

526950869 is a deficient number, since it is larger than the sum of its proper divisors (1).

526950869 is an equidigital number, since it uses as much as digits as its factorization.

526950869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 526950869 is about 22955.4104515689. The cubic root of 526950869 is about 807.7123221258.

The spelling of 526950869 in words is "five hundred twenty-six million, nine hundred fifty thousand, eight hundred sixty-nine".