100393253 has 2 divisors, whose sum is σ = 100393254. Its totient is φ = 100393252.

The previous prime is 100393243. The next prime is 100393259. The reversal of 100393253 is 352393001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97160449 + 3232804 = 9857^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 100393253 - 2¹⁴ = 100376869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100393259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50196626 + 50196627.

It is an arithmetic number, because the mean of its divisors is an integer number (50196627).

Almost surely, 2^100393253 is an apocalyptic number.

It is an amenable number.

100393253 is a deficient number, since it is larger than the sum of its proper divisors (1).

100393253 is an equidigital number, since it uses as much as digits as its factorization.

100393253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 100393253 is about 10019.6433569264. The cubic root of 100393253 is about 464.7665271081.

The spelling of 100393253 in words is "one hundred million, three hundred ninety-three thousand, two hundred fifty-three".