700001881 has 2 divisors, whose sum is σ = 700001882. Its totient is φ = 700001880.

The previous prime is 700001833. The next prime is 700001893. The reversal of 700001881 is 188100007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526289481 + 173712400 = 22941^2 + 13180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700001881 is a prime.

It is a super-2 number, since 2×700001881² = 980005266807076322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (700001801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350000940 + 350000941.

It is an arithmetic number, because the mean of its divisors is an integer number (350000941).

Almost surely, 2^700001881 is an apocalyptic number.

It is an amenable number.

700001881 is a deficient number, since it is larger than the sum of its proper divisors (1).

700001881 is an equidigital number, since it uses as much as digits as its factorization.

700001881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 700001881 is about 26457.5486581807. The cubic root of 700001881 is about 887.9047970502.

Adding to 700001881 its reverse (188100007), we get a palindrome (888101888).

The spelling of 700001881 in words is "seven hundred million, one thousand, eight hundred eighty-one".