598011881 has 2 divisors, whose sum is σ = 598011882. Its totient is φ = 598011880.

The previous prime is 598011863. The next prime is 598011889. The reversal of 598011881 is 188110895.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535459600 + 62552281 = 23140^2 + 7909^2 .

It is a cyclic number.

It is not a de Polignac number, because 598011881 - 2¹⁰ = 598010857 is a prime.

It is a super-2 number, since 2×598011881² = 715236419634316322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (598011889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299005940 + 299005941.

It is an arithmetic number, because the mean of its divisors is an integer number (299005941).

Almost surely, 2^598011881 is an apocalyptic number.

It is an amenable number.

598011881 is a deficient number, since it is larger than the sum of its proper divisors (1).

598011881 is an equidigital number, since it uses as much as digits as its factorization.

598011881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 41.

The square root of 598011881 is about 24454.2814451785. The cubic root of 598011881 is about 842.5000541814.

The spelling of 598011881 in words is "five hundred ninety-eight million, eleven thousand, eight hundred eighty-one".