100603957 has 4 divisors (see below), whose sum is σ = 100629100. Its totient is φ = 100578816.

The previous prime is 100603933. The next prime is 100603969. The reversal of 100603957 is 759306001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759306001 = 20071 ⋅37831.

It can be written as a sum of positive squares in 2 ways, for example, as 40525956 + 60078001 = 6366^2 + 7751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100603957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100600957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082 + ... + 15067.

It is an arithmetic number, because the mean of its divisors is an integer number (25157275).

Almost surely, 2^100603957 is an apocalyptic number.

It is an amenable number.

100603957 is a deficient number, since it is larger than the sum of its proper divisors (25143).

100603957 is an equidigital number, since it uses as much as digits as its factorization.

100603957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25142.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 100603957 is about 10030.1523916638. The cubic root of 100603957 is about 465.0914484651.

Adding to 100603957 its reverse (759306001), we get a palindrome (859909958).

The spelling of 100603957 in words is "one hundred million, six hundred three thousand, nine hundred fifty-seven".