100552213 has 4 divisors (see below), whose sum is σ = 103004748. Its totient is φ = 98099680.

The previous prime is 100552201. The next prime is 100552219. The reversal of 100552213 is 312255001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312255001 = 563 ⋅554627.

It can be written as a sum of positive squares in 2 ways, for example, as 7969329 + 92582884 = 2823^2 + 9622^2 .

It is a cyclic number.

It is not a de Polignac number, because 100552213 - 2⁵ = 100552181 is a prime.

It is a super-2 number, since 2×100552213² = 20221495078394738, 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 (100552219) 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, 1226206 + ... + 1226287.

It is an arithmetic number, because the mean of its divisors is an integer number (25751187).

Almost surely, 2^100552213 is an apocalyptic number.

It is an amenable number.

100552213 is a deficient number, since it is larger than the sum of its proper divisors (2452535).

100552213 is an equidigital number, since it uses as much as digits as its factorization.

100552213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452534.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 100552213 is about 10027.5726374831. The cubic root of 100552213 is about 465.0116973972.

The spelling of 100552213 in words is "one hundred million, five hundred fifty-two thousand, two hundred thirteen".