82429913 has 2 divisors, whose sum is σ = 82429914. Its totient is φ = 82429912.

The previous prime is 82429909. The next prime is 82429927. The reversal of 82429913 is 31992428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75290329 + 7139584 = 8677^2 + 2672^2 .

It is a cyclic number.

It is not a de Polignac number, because 82429913 - 2² = 82429909 is a prime.

It is not a weakly prime, because it can be changed into another prime (82429933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41214956 + 41214957.

It is an arithmetic number, because the mean of its divisors is an integer number (41214957).

Almost surely, 2^82429913 is an apocalyptic number.

It is an amenable number.

82429913 is a deficient number, since it is larger than the sum of its proper divisors (1).

82429913 is an equidigital number, since it uses as much as digits as its factorization.

82429913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 82429913 is about 9079.0920801587. The cubic root of 82429913 is about 435.2060731456.

The spelling of 82429913 in words is "eighty-two million, four hundred twenty-nine thousand, nine hundred thirteen".