298889131 has 2 divisors, whose sum is σ = 298889132. Its totient is φ = 298889130.

The previous prime is 298889119. The next prime is 298889137. The reversal of 298889131 is 131988892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298889131 - 2⁵ = 298889099 is a prime.

It is a super-2 number, since 2×298889131² = 178669425259870322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298889137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149444565 + 149444566.

It is an arithmetic number, because the mean of its divisors is an integer number (149444566).

Almost surely, 2^298889131 is an apocalyptic number.

298889131 is a deficient number, since it is larger than the sum of its proper divisors (1).

298889131 is an equidigital number, since it uses as much as digits as its factorization.

298889131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 49.

The square root of 298889131 is about 17288.4103086432. The cubic root of 298889131 is about 668.6056477555.

The spelling of 298889131 in words is "two hundred ninety-eight million, eight hundred eighty-nine thousand, one hundred thirty-one".