83623597 has 2 divisors, whose sum is σ = 83623598. Its totient is φ = 83623596.

The previous prime is 83623583. The next prime is 83623613. The reversal of 83623597 is 79532638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 19527561 = 8006^2 + 4419^2 .

It is a cyclic number.

It is not a de Polignac number, because 83623597 - 2²³ = 75234989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83623097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41811798 + 41811799.

It is an arithmetic number, because the mean of its divisors is an integer number (41811799).

Almost surely, 2^83623597 is an apocalyptic number.

It is an amenable number.

83623597 is a deficient number, since it is larger than the sum of its proper divisors (1).

83623597 is an equidigital number, since it uses as much as digits as its factorization.

83623597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 83623597 is about 9144.5938674170. The cubic root of 83623597 is about 437.2967820284.

The spelling of 83623597 in words is "eighty-three million, six hundred twenty-three thousand, five hundred ninety-seven".