35000981 has 2 divisors, whose sum is σ = 35000982. Its totient is φ = 35000980.

The previous prime is 35000971. The next prime is 35000989. The reversal of 35000981 is 18900053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 5134756 = 5465^2 + 2266^2 .

It is an emirp because it is prime and its reverse (18900053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35000981 is a prime.

It is a super-2 number, since 2×35000981² = 2450137341924722, which contains 22 as substring.

It is equal to p_2146832 and since 35000981 and 2146832 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35000981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35000989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17500490 + 17500491.

It is an arithmetic number, because the mean of its divisors is an integer number (17500491).

Almost surely, 2^35000981 is an apocalyptic number.

It is an amenable number.

35000981 is a deficient number, since it is larger than the sum of its proper divisors (1).

35000981 is an equidigital number, since it uses as much as digits as its factorization.

35000981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 35000981 is about 5916.1626921511. The cubic root of 35000981 is about 327.1096871008.

The spelling of 35000981 in words is "thirty-five million, nine hundred eighty-one", and thus it is an aban number.