526310641 has 2 divisors, whose sum is σ = 526310642. Its totient is φ = 526310640.

The previous prime is 526310639. The next prime is 526310671. The reversal of 526310641 is 146013625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411927616 + 114383025 = 20296^2 + 10695^2 .

It is a cyclic number.

It is not a de Polignac number, because 526310641 - 2¹ = 526310639 is a prime.

Together with 526310639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (526310611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263155320 + 263155321.

It is an arithmetic number, because the mean of its divisors is an integer number (263155321).

Almost surely, 2^526310641 is an apocalyptic number.

It is an amenable number.

526310641 is a deficient number, since it is larger than the sum of its proper divisors (1).

526310641 is an equidigital number, since it uses as much as digits as its factorization.

526310641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 526310641 is about 22941.4611783993. The cubic root of 526310641 is about 807.3850749102.

The spelling of 526310641 in words is "five hundred twenty-six million, three hundred ten thousand, six hundred forty-one".