252011393 has 2 divisors, whose sum is σ = 252011394. Its totient is φ = 252011392.

The previous prime is 252011371. The next prime is 252011401. The reversal of 252011393 is 393110252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232501504 + 19509889 = 15248^2 + 4417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252011393 is a prime.

It is not a weakly prime, because it can be changed into another prime (252011093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126005696 + 126005697.

It is an arithmetic number, because the mean of its divisors is an integer number (126005697).

Almost surely, 2^252011393 is an apocalyptic number.

It is an amenable number.

252011393 is a deficient number, since it is larger than the sum of its proper divisors (1).

252011393 is an equidigital number, since it uses as much as digits as its factorization.

252011393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 252011393 is about 15874.8667081018. The cubic root of 252011393 is about 631.6454784429.

The spelling of 252011393 in words is "two hundred fifty-two million, eleven thousand, three hundred ninety-three".