299252531 has 2 divisors, whose sum is σ = 299252532. Its totient is φ = 299252530.

The previous prime is 299252521. The next prime is 299252533. The reversal of 299252531 is 135252992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 299252531 - 2⁶ = 299252467 is a prime.

It is a super-2 number, since 2×299252531² = 179104154619811922, which contains 22 as substring.

Together with 299252533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (299252533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149626265 + 149626266.

It is an arithmetic number, because the mean of its divisors is an integer number (149626266).

Almost surely, 2^299252531 is an apocalyptic number.

299252531 is a deficient number, since it is larger than the sum of its proper divisors (1).

299252531 is an equidigital number, since it uses as much as digits as its factorization.

299252531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 299252531 is about 17298.9170470293. The cubic root of 299252531 is about 668.8765094928.

The spelling of 299252531 in words is "two hundred ninety-nine million, two hundred fifty-two thousand, five hundred thirty-one".