100573397 has 4 divisors (see below), whose sum is σ = 100990956. Its totient is φ = 100155840.

The previous prime is 100573391. The next prime is 100573409. The reversal of 100573397 is 793375001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793375001 = 19 ⋅41756579.

It can be written as a sum of positive squares in 2 ways, for example, as 93818596 + 6754801 = 9686^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 100573397 - 2⁴ = 100573381 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 (100573391) 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, 208418 + ... + 208899.

It is an arithmetic number, because the mean of its divisors is an integer number (25247739).

Almost surely, 2^100573397 is an apocalyptic number.

It is an amenable number.

100573397 is a deficient number, since it is larger than the sum of its proper divisors (417559).

100573397 is an equidigital number, since it uses as much as digits as its factorization.

100573397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417558.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 100573397 is about 10028.6288693919. The cubic root of 100573397 is about 465.0443508012.

The spelling of 100573397 in words is "one hundred million, five hundred seventy-three thousand, three hundred ninety-seven".