35116981 has 4 divisors (see below), whose sum is σ = 35132832. Its totient is φ = 35101132.

The previous prime is 35116969. The next prime is 35117009. The reversal of 35116981 is 18961153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 35116981 - 2¹⁵ = 35084213 is a prime.

It is a super-2 number, since 2×35116981² = 2466404709108722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35116181) 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, 3931 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (8783208).

Almost surely, 2^35116981 is an apocalyptic number.

It is an amenable number.

35116981 is a deficient number, since it is larger than the sum of its proper divisors (15851).

35116981 is a wasteful number, since it uses less digits than its factorization.

35116981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15850.

The product of its digits is 6480, while the sum is 34.

The square root of 35116981 is about 5925.9582347499. The cubic root of 35116981 is about 327.4706568120.

The spelling of 35116981 in words is "thirty-five million, one hundred sixteen thousand, nine hundred eighty-one".