34877281 has 2 divisors, whose sum is σ = 34877282. Its totient is φ = 34877280.

The previous prime is 34877237. The next prime is 34877321. The reversal of 34877281 is 18277843.

It is an a-pointer prime, because the next prime (34877321) can be obtained adding 34877281 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 12362256 = 4745^2 + 3516^2 .

It is an emirp because it is prime and its reverse (18277843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34877281 - 2⁷ = 34877153 is a prime.

It is a super-2 number, since 2×34877281² = 2432849459905922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34877581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17438640 + 17438641.

It is an arithmetic number, because the mean of its divisors is an integer number (17438641).

Almost surely, 2^34877281 is an apocalyptic number.

It is an amenable number.

34877281 is a deficient number, since it is larger than the sum of its proper divisors (1).

34877281 is an equidigital number, since it uses as much as digits as its factorization.

34877281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 34877281 is about 5905.6990272109. The cubic root of 34877281 is about 326.7238766708.

The spelling of 34877281 in words is "thirty-four million, eight hundred seventy-seven thousand, two hundred eighty-one".