253120393 has 2 divisors, whose sum is σ = 253120394. Its totient is φ = 253120392.

The previous prime is 253120321. The next prime is 253120409. The reversal of 253120393 is 393021352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245486224 + 7634169 = 15668^2 + 2763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253120393 is a prime.

It is not a weakly prime, because it can be changed into another prime (253120093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126560196 + 126560197.

It is an arithmetic number, because the mean of its divisors is an integer number (126560197).

Almost surely, 2^253120393 is an apocalyptic number.

It is an amenable number.

253120393 is a deficient number, since it is larger than the sum of its proper divisors (1).

253120393 is an equidigital number, since it uses as much as digits as its factorization.

253120393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 253120393 is about 15909.7577919967. The cubic root of 253120393 is about 632.5706612303.

The spelling of 253120393 in words is "two hundred fifty-three million, one hundred twenty thousand, three hundred ninety-three".