103637997 has 6 divisors (see below), whose sum is σ = 149699342. Its totient is φ = 69091992.

The previous prime is 103637971. The next prime is 103638011. The reversal of 103637997 is 799736301.

103637997 is a `hidden beast` number, since 1 + 0 + 3 + 637 + 9 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 24890121 = 8874^2 + 4989^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103637997 is a prime.

It is a super-3 number, since 3×103637997³ (a number of 25 digits) contains 333 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 (103637917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5757658 + ... + 5757675.

Almost surely, 2^103637997 is an apocalyptic number.

It is an amenable number.

103637997 is a deficient number, since it is larger than the sum of its proper divisors (46061345).

103637997 is a wasteful number, since it uses less digits than its factorization.

103637997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515339 (or 11515336 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 45.

The square root of 103637997 is about 10180.2748980565. The cubic root of 103637997 is about 469.7206684850.

The spelling of 103637997 in words is "one hundred three million, six hundred thirty-seven thousand, nine hundred ninety-seven".