35957381 has 2 divisors, whose sum is σ = 35957382. Its totient is φ = 35957380.

The previous prime is 35957357. The next prime is 35957387. The reversal of 35957381 is 18375953.

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., 32092225 + 3865156 = 5665^2 + 1966^2 .

It is a cyclic number.

It is not a de Polignac number, because 35957381 - 2¹⁰ = 35956357 is a prime.

It is a super-2 number, since 2×35957381² = 2585866496758322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35957387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17978690 + 17978691.

It is an arithmetic number, because the mean of its divisors is an integer number (17978691).

Almost surely, 2^35957381 is an apocalyptic number.

It is an amenable number.

35957381 is a deficient number, since it is larger than the sum of its proper divisors (1).

35957381 is an equidigital number, since it uses as much as digits as its factorization.

35957381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 35957381 is about 5996.4473648987. The cubic root of 35957381 is about 330.0623726609.

The spelling of 35957381 in words is "thirty-five million, nine hundred fifty-seven thousand, three hundred eighty-one".