81483037 has 2 divisors, whose sum is σ = 81483038. Its totient is φ = 81483036.

The previous prime is 81483029. The next prime is 81483041. The reversal of 81483037 is 73038418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79816356 + 1666681 = 8934^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 81483037 - 2³ = 81483029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 81482993 and 81483011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81483937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40741518 + 40741519.

It is an arithmetic number, because the mean of its divisors is an integer number (40741519).

Almost surely, 2^81483037 is an apocalyptic number.

It is an amenable number.

81483037 is a deficient number, since it is larger than the sum of its proper divisors (1).

81483037 is an equidigital number, since it uses as much as digits as its factorization.

81483037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 81483037 is about 9026.7955000653. The cubic root of 81483037 is about 433.5332410309.

The spelling of 81483037 in words is "eighty-one million, four hundred eighty-three thousand, thirty-seven".