93051281 has 2 divisors, whose sum is σ = 93051282. Its totient is φ = 93051280.

The previous prime is 93051271. The next prime is 93051289. The reversal of 93051281 is 18215039.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92948881 + 102400 = 9641^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93051281 is a prime.

It is a super-2 number, since 2×93051281² = 17317081791481922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (93051289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46525640 + 46525641.

It is an arithmetic number, because the mean of its divisors is an integer number (46525641).

Almost surely, 2^93051281 is an apocalyptic number.

It is an amenable number.

93051281 is a deficient number, since it is larger than the sum of its proper divisors (1).

93051281 is an equidigital number, since it uses as much as digits as its factorization.

93051281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 93051281 is about 9646.3091905661. The cubic root of 93051281 is about 453.1487490430.

The spelling of 93051281 in words is "ninety-three million, fifty-one thousand, two hundred eighty-one".