213420007 has 2 divisors, whose sum is σ = 213420008. Its totient is φ = 213420006.

The previous prime is 213419993. The next prime is 213420041. The reversal of 213420007 is 700024312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213420007 - 2¹⁹ = 212895719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213421007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106710003 + 106710004.

It is an arithmetic number, because the mean of its divisors is an integer number (106710004).

Almost surely, 2^213420007 is an apocalyptic number.

213420007 is a deficient number, since it is larger than the sum of its proper divisors (1).

213420007 is an equidigital number, since it uses as much as digits as its factorization.

213420007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 213420007 is about 14608.9016356467. The cubic root of 213420007 is about 597.6015427056.

Adding to 213420007 its reverse (700024312), we get a palindrome (913444319).

The spelling of 213420007 in words is "two hundred thirteen million, four hundred twenty thousand, seven".