526242641 has 2 divisors, whose sum is σ = 526242642. Its totient is φ = 526242640.

The previous prime is 526242617. The next prime is 526242649. The reversal of 526242641 is 146242625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295324225 + 230918416 = 17185^2 + 15196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526242641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 526242598 and 526242607.

It is not a weakly prime, because it can be changed into another prime (526242649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263121320 + 263121321.

It is an arithmetic number, because the mean of its divisors is an integer number (263121321).

Almost surely, 2^526242641 is an apocalyptic number.

It is an amenable number.

526242641 is a deficient number, since it is larger than the sum of its proper divisors (1).

526242641 is an equidigital number, since it uses as much as digits as its factorization.

526242641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 526242641 is about 22939.9790976365. The cubic root of 526242641 is about 807.3503016885.

The spelling of 526242641 in words is "five hundred twenty-six million, two hundred forty-two thousand, six hundred forty-one".