83514521 has 2 divisors, whose sum is σ = 83514522. Its totient is φ = 83514520.

The previous prime is 83514503. The next prime is 83514553. The reversal of 83514521 is 12541538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 1792921 = 9040^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 83514521 - 2¹⁴ = 83498137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83514121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41757260 + 41757261.

It is an arithmetic number, because the mean of its divisors is an integer number (41757261).

Almost surely, 2^83514521 is an apocalyptic number.

It is an amenable number.

83514521 is a deficient number, since it is larger than the sum of its proper divisors (1).

83514521 is an equidigital number, since it uses as much as digits as its factorization.

83514521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 83514521 is about 9138.6279604763. The cubic root of 83514521 is about 437.1065672270.

The spelling of 83514521 in words is "eighty-three million, five hundred fourteen thousand, five hundred twenty-one".