700424561 has 4 divisors (see below), whose sum is σ = 710019492. Its totient is φ = 690829632.

The previous prime is 700424539. The next prime is 700424579. The reversal of 700424561 is 165424007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164224225 + 536200336 = 12815^2 + 23156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700424561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (700424761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797356 + ... + 4797501.

It is an arithmetic number, because the mean of its divisors is an integer number (177504873).

Almost surely, 2^700424561 is an apocalyptic number.

It is an amenable number.

700424561 is a deficient number, since it is larger than the sum of its proper divisors (9594931).

700424561 is an equidigital number, since it uses as much as digits as its factorization.

700424561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594930.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 700424561 is about 26465.5353431590. The cubic root of 700424561 is about 888.0834747064.

Adding to 700424561 its reverse (165424007), we get a palindrome (865848568).

The spelling of 700424561 in words is "seven hundred million, four hundred twenty-four thousand, five hundred sixty-one".