34511971 has 4 divisors (see below), whose sum is σ = 37166752. Its totient is φ = 31857192.

The previous prime is 34511969. The next prime is 34511977. The reversal of 34511971 is 17911543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17911543 = 13 ⋅1377811.

It is a cyclic number.

It is not a de Polignac number, because 34511971 - 2¹ = 34511969 is a prime.

It is a super-2 number, since 2×34511971² = 2382152284609682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34511977) 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, 1327371 + ... + 1327396.

It is an arithmetic number, because the mean of its divisors is an integer number (9291688).

Almost surely, 2^34511971 is an apocalyptic number.

34511971 is a deficient number, since it is larger than the sum of its proper divisors (2654781).

34511971 is a wasteful number, since it uses less digits than its factorization.

34511971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654780.

The product of its digits is 3780, while the sum is 31.

The square root of 34511971 is about 5874.6890130457. The cubic root of 34511971 is about 325.5791519501.

The spelling of 34511971 in words is "thirty-four million, five hundred eleven thousand, nine hundred seventy-one".