598455881 has 2 divisors, whose sum is σ = 598455882. Its totient is φ = 598455880.

The previous prime is 598455829. The next prime is 598455887. The reversal of 598455881 is 188554895.

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., 400800400 + 197655481 = 20020^2 + 14059^2 .

It is a cyclic number.

It is not a de Polignac number, because 598455881 - 2¹⁴ = 598439497 is a prime.

It is a super-2 number, since 2×598455881² = 716298883006972322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (598455887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299227940 + 299227941.

It is an arithmetic number, because the mean of its divisors is an integer number (299227941).

Almost surely, 2^598455881 is an apocalyptic number.

It is an amenable number.

598455881 is a deficient number, since it is larger than the sum of its proper divisors (1).

598455881 is an equidigital number, since it uses as much as digits as its factorization.

598455881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304000, while the sum is 53.

The square root of 598455881 is about 24463.3579256814. The cubic root of 598455881 is about 842.7085101764.

The spelling of 598455881 in words is "five hundred ninety-eight million, four hundred fifty-five thousand, eight hundred eighty-one".