700561 has 2 divisors, whose sum is σ = 700562. Its totient is φ = 700560.

The previous prime is 700537. The next prime is 700571. The reversal of 700561 is 165007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 690561 + 10000 = 831^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 700561 - 2⁷ = 700433 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (700571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350280 + 350281.

It is an arithmetic number, because the mean of its divisors is an integer number (350281).

2⁷⁰⁰⁵⁶¹ is an apocalyptic number.

It is an amenable number.

700561 is a deficient number, since it is larger than the sum of its proper divisors (1).

700561 is an equidigital number, since it uses as much as digits as its factorization.

700561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 700561 is about 836.9952210138. The cubic root of 700561 is about 88.8141135617.

Adding to 700561 its reverse (165007), we get a palindrome (865568).

The spelling of 700561 in words is "seven hundred thousand, five hundred sixty-one".