526083421 has 2 divisors, whose sum is σ = 526083422. Its totient is φ = 526083420.

The previous prime is 526083413. The next prime is 526083431. The reversal of 526083421 is 124380625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425803225 + 100280196 = 20635^2 + 10014^2 .

It is a cyclic number.

It is not a de Polignac number, because 526083421 - 2³ = 526083413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526083431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263041710 + 263041711.

It is an arithmetic number, because the mean of its divisors is an integer number (263041711).

Almost surely, 2^526083421 is an apocalyptic number.

It is an amenable number.

526083421 is a deficient number, since it is larger than the sum of its proper divisors (1).

526083421 is an equidigital number, since it uses as much as digits as its factorization.

526083421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 526083421 is about 22936.5084744823. The cubic root of 526083421 is about 807.2688694926.

The spelling of 526083421 in words is "five hundred twenty-six million, eighty-three thousand, four hundred twenty-one".