253343899 has 2 divisors, whose sum is σ = 253343900. Its totient is φ = 253343898.

The previous prime is 253343897. The next prime is 253343903. The reversal of 253343899 is 998343352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253343899 - 2¹ = 253343897 is a prime.

Together with 253343897, 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 (253343897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126671949 + 126671950.

It is an arithmetic number, because the mean of its divisors is an integer number (126671950).

Almost surely, 2^253343899 is an apocalyptic number.

253343899 is a deficient number, since it is larger than the sum of its proper divisors (1).

253343899 is an equidigital number, since it uses as much as digits as its factorization.

253343899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The square root of 253343899 is about 15916.7804219321. The cubic root of 253343899 is about 632.7567936644.

The spelling of 253343899 in words is "two hundred fifty-three million, three hundred forty-three thousand, eight hundred ninety-nine".