71054033 has 4 divisors (see below), whose sum is σ = 75233700. Its totient is φ = 66874368.

The previous prime is 71054021. The next prime is 71054051. The reversal of 71054033 is 33045017.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62457409 + 8596624 = 7903^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 71054033 - 2¹⁰ = 71053009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71054003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089808 + ... + 2089841.

It is an arithmetic number, because the mean of its divisors is an integer number (18808425).

Almost surely, 2^71054033 is an apocalyptic number.

It is an amenable number.

71054033 is a deficient number, since it is larger than the sum of its proper divisors (4179667).

71054033 is a wasteful number, since it uses less digits than its factorization.

71054033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179666.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 71054033 is about 8429.3554320600. The cubic root of 71054033 is about 414.1867909384.

The spelling of 71054033 in words is "seventy-one million, fifty-four thousand, thirty-three".