700243421 has 2 divisors, whose sum is σ = 700243422. Its totient is φ = 700243420.

The previous prime is 700243391. The next prime is 700243451. The reversal of 700243421 is 124342007.

It is a balanced prime because it is at equal distance from previous prime (700243391) and next prime (700243451).

It can be written as a sum of positive squares in only one way, i.e., 697699396 + 2544025 = 26414^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 700243421 - 2²² = 696049117 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700243451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350121710 + 350121711.

It is an arithmetic number, because the mean of its divisors is an integer number (350121711).

Almost surely, 2^700243421 is an apocalyptic number.

It is an amenable number.

700243421 is a deficient number, since it is larger than the sum of its proper divisors (1).

700243421 is an equidigital number, since it uses as much as digits as its factorization.

700243421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 700243421 is about 26462.1129352892. The cubic root of 700243421 is about 888.0069109958.

Adding to 700243421 its reverse (124342007), we get a palindrome (824585428).

The spelling of 700243421 in words is "seven hundred million, two hundred forty-three thousand, four hundred twenty-one".