253542899 has 2 divisors, whose sum is σ = 253542900. Its totient is φ = 253542898.

The previous prime is 253542889. The next prime is 253542929. The reversal of 253542899 is 998245352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253542899 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (253542889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126771449 + 126771450.

It is an arithmetic number, because the mean of its divisors is an integer number (126771450).

Almost surely, 2^253542899 is an apocalyptic number.

253542899 is a deficient number, since it is larger than the sum of its proper divisors (1).

253542899 is an equidigital number, since it uses as much as digits as its factorization.

253542899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 253542899 is about 15923.0304590552. The cubic root of 253542899 is about 632.9224257656.

The spelling of 253542899 in words is "two hundred fifty-three million, five hundred forty-two thousand, eight hundred ninety-nine".