213032507 has 2 divisors, whose sum is σ = 213032508. Its totient is φ = 213032506.

The previous prime is 213032497. The next prime is 213032537. The reversal of 213032507 is 705230312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213032507 - 2⁸ = 213032251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213032537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106516253 + 106516254.

It is an arithmetic number, because the mean of its divisors is an integer number (106516254).

Almost surely, 2^213032507 is an apocalyptic number.

213032507 is a deficient number, since it is larger than the sum of its proper divisors (1).

213032507 is an equidigital number, since it uses as much as digits as its factorization.

213032507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 213032507 is about 14595.6331483084. The cubic root of 213032507 is about 597.2396414724.

Adding to 213032507 its reverse (705230312), we get a palindrome (918262819).

The spelling of 213032507 in words is "two hundred thirteen million, thirty-two thousand, five hundred seven".