33975481 has 2 divisors, whose sum is σ = 33975482. Its totient is φ = 33975480.

The previous prime is 33975467. The next prime is 33975521. The reversal of 33975481 is 18457933.

It is an a-pointer prime, because the next prime (33975521) can be obtained adding 33975481 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 15139881 = 4340^2 + 3891^2 .

It is a cyclic number.

It is not a de Polignac number, because 33975481 - 2⁵ = 33975449 is a prime.

It is a super-2 number, since 2×33975481² = 2308666618362722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33975281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16987740 + 16987741.

It is an arithmetic number, because the mean of its divisors is an integer number (16987741).

Almost surely, 2^33975481 is an apocalyptic number.

It is an amenable number.

33975481 is a deficient number, since it is larger than the sum of its proper divisors (1).

33975481 is an equidigital number, since it uses as much as digits as its factorization.

33975481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 33975481 is about 5828.8490287534. The cubic root of 33975481 is about 323.8832868498.

The spelling of 33975481 in words is "thirty-three million, nine hundred seventy-five thousand, four hundred eighty-one".