598723481 has 2 divisors, whose sum is σ = 598723482. Its totient is φ = 598723480.

The previous prime is 598723471. The next prime is 598723487. The reversal of 598723481 is 184327895.

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., 546811456 + 51912025 = 23384^2 + 7205^2 .

It is a cyclic number.

It is not a de Polignac number, because 598723481 - 2¹⁸ = 598461337 is a prime.

It is a super-2 number, since 2×598723481² = 716939613401514722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (598723487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299361740 + 299361741.

It is an arithmetic number, because the mean of its divisors is an integer number (299361741).

Almost surely, 2^598723481 is an apocalyptic number.

It is an amenable number.

598723481 is a deficient number, since it is larger than the sum of its proper divisors (1).

598723481 is an equidigital number, since it uses as much as digits as its factorization.

598723481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 598723481 is about 24468.8267189091. The cubic root of 598723481 is about 842.8340973754.

The spelling of 598723481 in words is "five hundred ninety-eight million, seven hundred twenty-three thousand, four hundred eighty-one".