35973997 has 2 divisors, whose sum is σ = 35973998. Its totient is φ = 35973996.

The previous prime is 35973991. The next prime is 35974009. The reversal of 35973997 is 79937953.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34175716 + 1798281 = 5846^2 + 1341^2 .

It is an emirp because it is prime and its reverse (79937953) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35973997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35973991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17986998 + 17986999.

It is an arithmetic number, because the mean of its divisors is an integer number (17986999).

Almost surely, 2^35973997 is an apocalyptic number.

It is an amenable number.

35973997 is a deficient number, since it is larger than the sum of its proper divisors (1).

35973997 is an equidigital number, since it uses as much as digits as its factorization.

35973997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1607445, while the sum is 52.

The square root of 35973997 is about 5997.8326918980. The cubic root of 35973997 is about 330.1132057275.

The spelling of 35973997 in words is "thirty-five million, nine hundred seventy-three thousand, nine hundred ninety-seven".