7530103213 has 2 divisors, whose sum is σ = 7530103214. Its totient is φ = 7530103212.

The previous prime is 7530103187. The next prime is 7530103319. The reversal of 7530103213 is 3123010357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6180789924 + 1349313289 = 78618^2 + 36733^2 .

It is a cyclic number.

It is not a de Polignac number, because 7530103213 - 2⁵ = 7530103181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7530103613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765051606 + 3765051607.

It is an arithmetic number, because the mean of its divisors is an integer number (3765051607).

Almost surely, 2^7530103213 is an apocalyptic number.

It is an amenable number.

7530103213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7530103213 is an equidigital number, since it uses as much as digits as its factorization.

7530103213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 7530103213 is about 86776.1673099244. The cubic root of 7530103213 is about 1960.0492154968.

The spelling of 7530103213 in words is "seven billion, five hundred thirty million, one hundred three thousand, two hundred thirteen".