298252987 has 2 divisors, whose sum is σ = 298252988. Its totient is φ = 298252986.

The previous prime is 298252919. The next prime is 298253003. The reversal of 298252987 is 789252892.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298252987 is a prime.

It is not a weakly prime, because it can be changed into another prime (298253987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149126493 + 149126494.

It is an arithmetic number, because the mean of its divisors is an integer number (149126494).

Almost surely, 2^298252987 is an apocalyptic number.

298252987 is a deficient number, since it is larger than the sum of its proper divisors (1).

298252987 is an equidigital number, since it uses as much as digits as its factorization.

298252987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The square root of 298252987 is about 17270.0025188186. The cubic root of 298252987 is about 668.1309660805.

The spelling of 298252987 in words is "two hundred ninety-eight million, two hundred fifty-two thousand, nine hundred eighty-seven".