83612461 has 2 divisors, whose sum is σ = 83612462. Its totient is φ = 83612460.

The previous prime is 83612411. The next prime is 83612467. The reversal of 83612461 is 16421638.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 41036836 = 6525^2 + 6406^2 .

It is a cyclic number.

It is not a de Polignac number, because 83612461 - 2⁹ = 83611949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83612467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41806230 + 41806231.

It is an arithmetic number, because the mean of its divisors is an integer number (41806231).

Almost surely, 2^83612461 is an apocalyptic number.

It is an amenable number.

83612461 is a deficient number, since it is larger than the sum of its proper divisors (1).

83612461 is an equidigital number, since it uses as much as digits as its factorization.

83612461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 83612461 is about 9143.9849628048. The cubic root of 83612461 is about 437.2773698317.

The spelling of 83612461 in words is "eighty-three million, six hundred twelve thousand, four hundred sixty-one".