35397997 has 4 divisors (see below), whose sum is σ = 35423260. Its totient is φ = 35372736.

The previous prime is 35397991. The next prime is 35398019. The reversal of 35397997 is 79979353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79979353 = 839 ⋅95327.

It can be written as a sum of positive squares in 2 ways, for example, as 8003241 + 27394756 = 2829^2 + 5234^2 .

It is a cyclic number.

It is not a de Polignac number, because 35397997 - 2¹¹ = 35395949 is a prime.

It is a super-2 number, since 2×35397997² = 2506036383224018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35397991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10398 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (8855815).

Almost surely, 2^35397997 is an apocalyptic number.

It is an amenable number.

35397997 is a deficient number, since it is larger than the sum of its proper divisors (25263).

35397997 is a wasteful number, since it uses less digits than its factorization.

35397997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262.

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

The square root of 35397997 is about 5949.6215846052. The cubic root of 35397997 is about 328.3418413340.

The spelling of 35397997 in words is "thirty-five million, three hundred ninety-seven thousand, nine hundred ninety-seven".