35960021 has 2 divisors, whose sum is σ = 35960022. Its totient is φ = 35960020.

The previous prime is 35959991. The next prime is 35960047. The reversal of 35960021 is 12006953.

It is an a-pointer prime, because the next prime (35960047) can be obtained adding 35960021 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 1020100 = 5911^2 + 1010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35960021 is a prime.

It is a super-2 number, since 2×35960021² = 2586246220640882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35960051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17980010 + 17980011.

It is an arithmetic number, because the mean of its divisors is an integer number (17980011).

Almost surely, 2^35960021 is an apocalyptic number.

It is an amenable number.

35960021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35960021 is an equidigital number, since it uses as much as digits as its factorization.

35960021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 35960021 is about 5996.6674911988. The cubic root of 35960021 is about 330.0704502175.

Adding to 35960021 its reverse (12006953), we get a palindrome (47966974).

The spelling of 35960021 in words is "thirty-five million, nine hundred sixty thousand, twenty-one".