100503253 has 2 divisors, whose sum is σ = 100503254. Its totient is φ = 100503252.

The previous prime is 100503239. The next prime is 100503257. The reversal of 100503253 is 352305001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99860049 + 643204 = 9993^2 + 802^2 .

It is an emirp because it is prime and its reverse (352305001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100503253 - 2¹³ = 100495061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100503253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100503257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50251626 + 50251627.

It is an arithmetic number, because the mean of its divisors is an integer number (50251627).

Almost surely, 2^100503253 is an apocalyptic number.

It is an amenable number.

100503253 is a deficient number, since it is larger than the sum of its proper divisors (1).

100503253 is an equidigital number, since it uses as much as digits as its factorization.

100503253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 100503253 is about 10025.1310714624. The cubic root of 100503253 is about 464.9362120078.

Adding to 100503253 its reverse (352305001), we get a palindrome (452808254).

The spelling of 100503253 in words is "one hundred million, five hundred three thousand, two hundred fifty-three".