35197381 has 2 divisors, whose sum is σ = 35197382. Its totient is φ = 35197380.

The previous prime is 35197363. The next prime is 35197391. The reversal of 35197381 is 18379153.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 12013156 = 4815^2 + 3466^2 .

It is a cyclic number.

It is not a de Polignac number, because 35197381 - 2⁹ = 35196869 is a prime.

It is a super-2 number, since 2×35197381² = 2477711258518322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 35197381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35197321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17598690 + 17598691.

It is an arithmetic number, because the mean of its divisors is an integer number (17598691).

Almost surely, 2^35197381 is an apocalyptic number.

It is an amenable number.

35197381 is a deficient number, since it is larger than the sum of its proper divisors (1).

35197381 is an equidigital number, since it uses as much as digits as its factorization.

35197381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 35197381 is about 5932.7380693909. The cubic root of 35197381 is about 327.7203799992.

The spelling of 35197381 in words is "thirty-five million, one hundred ninety-seven thousand, three hundred eighty-one".