213130499 has 2 divisors, whose sum is σ = 213130500. Its totient is φ = 213130498.

The previous prime is 213130493. The next prime is 213130501. The reversal of 213130499 is 994031312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213130499 - 2²⁰ = 212081923 is a prime.

Together with 213130501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213130493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565249 + 106565250.

It is an arithmetic number, because the mean of its divisors is an integer number (106565250).

Almost surely, 2^213130499 is an apocalyptic number.

213130499 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130499 is an equidigital number, since it uses as much as digits as its factorization.

213130499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 213130499 is about 14598.9896568221. The cubic root of 213130499 is about 597.3312014203.

The spelling of 213130499 in words is "two hundred thirteen million, one hundred thirty thousand, four hundred ninety-nine".