534881811 has 4 divisors (see below), whose sum is σ = 713175752. Its totient is φ = 356587872.

The previous prime is 534881803. The next prime is 534881819. The reversal of 534881811 is 118188435.

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

It is an interprime number because it is at equal distance from previous prime (534881803) and next prime (534881819).

It is not a de Polignac number, because 534881811 - 2³ = 534881803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 534881811.

It is not an unprimeable number, because it can be changed into a prime (534881819) 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, 89146966 + ... + 89146971.

It is an arithmetic number, because the mean of its divisors is an integer number (178293938).

Almost surely, 2^534881811 is an apocalyptic number.

534881811 is a deficient number, since it is larger than the sum of its proper divisors (178293941).

534881811 is a wasteful number, since it uses less digits than its factorization.

534881811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178293940.

The product of its digits is 30720, while the sum is 39.

The square root of 534881811 is about 23127.5119932949. The cubic root of 534881811 is about 811.7443538892.

The spelling of 534881811 in words is "five hundred thirty-four million, eight hundred eighty-one thousand, eight hundred eleven".