253870093 has 2 divisors, whose sum is σ = 253870094. Its totient is φ = 253870092.

The previous prime is 253870069. The next prime is 253870103. The reversal of 253870093 is 390078352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253860489 + 9604 = 15933^2 + 98^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253870093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253870003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126935046 + 126935047.

It is an arithmetic number, because the mean of its divisors is an integer number (126935047).

Almost surely, 2^253870093 is an apocalyptic number.

It is an amenable number.

253870093 is a deficient number, since it is larger than the sum of its proper divisors (1).

253870093 is an equidigital number, since it uses as much as digits as its factorization.

253870093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 253870093 is about 15933.3013842079. The cubic root of 253870093 is about 633.1945682749.

The spelling of 253870093 in words is "two hundred fifty-three million, eight hundred seventy thousand, ninety-three".