213607507 has 2 divisors, whose sum is σ = 213607508. Its totient is φ = 213607506.

The previous prime is 213607451. The next prime is 213607571. The reversal of 213607507 is 705706312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213607507 - 2⁷ = 213607379 is a prime.

It is not a weakly prime, because it can be changed into another prime (213607607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106803753 + 106803754.

It is an arithmetic number, because the mean of its divisors is an integer number (106803754).

Almost surely, 2^213607507 is an apocalyptic number.

213607507 is a deficient number, since it is larger than the sum of its proper divisors (1).

213607507 is an equidigital number, since it uses as much as digits as its factorization.

213607507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 213607507 is about 14615.3175470121. The cubic root of 213607507 is about 597.7764989541.

The spelling of 213607507 in words is "two hundred thirteen million, six hundred seven thousand, five hundred seven".