100514321 has 2 divisors, whose sum is σ = 100514322. Its totient is φ = 100514320.

The previous prime is 100514317. The next prime is 100514339. The reversal of 100514321 is 123415001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 9579025 = 9536^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 100514321 - 2² = 100514317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100514321.

It is not a weakly prime, because it can be changed into another prime (100514371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50257160 + 50257161.

It is an arithmetic number, because the mean of its divisors is an integer number (50257161).

Almost surely, 2^100514321 is an apocalyptic number.

It is an amenable number.

100514321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100514321 is an equidigital number, since it uses as much as digits as its factorization.

100514321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100514321 is about 10025.6830689983. The cubic root of 100514321 is about 464.9532785370.

Adding to 100514321 its reverse (123415001), we get a palindrome (223929322).

The spelling of 100514321 in words is "one hundred million, five hundred fourteen thousand, three hundred twenty-one".