83425897 has 2 divisors, whose sum is σ = 83425898. Its totient is φ = 83425896.

The previous prime is 83425889. The next prime is 83425907. The reversal of 83425897 is 79852438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 32959081 = 7104^2 + 5741^2 .

It is a cyclic number.

It is not a de Polignac number, because 83425897 - 2³ = 83425889 is a prime.

It is a super-3 number, since 3×83425897³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (83425847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41712948 + 41712949.

It is an arithmetic number, because the mean of its divisors is an integer number (41712949).

Almost surely, 2^83425897 is an apocalyptic number.

It is an amenable number.

83425897 is a deficient number, since it is larger than the sum of its proper divisors (1).

83425897 is an equidigital number, since it uses as much as digits as its factorization.

83425897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 83425897 is about 9133.7778054866. Note that the first 3 decimals coincide. The cubic root of 83425897 is about 436.9518961480.

The spelling of 83425897 in words is "eighty-three million, four hundred twenty-five thousand, eight hundred ninety-seven".