1253894011 has 2 divisors, whose sum is σ = 1253894012. Its totient is φ = 1253894010.

The previous prime is 1253893969. The next prime is 1253894017. The reversal of 1253894011 is 1104983521.

It is a strong prime.

It is an emirp because it is prime and its reverse (1104983521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253894011 - 2²¹ = 1251796859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253894017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626947005 + 626947006.

It is an arithmetic number, because the mean of its divisors is an integer number (626947006).

Almost surely, 2^1253894011 is an apocalyptic number.

1253894011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253894011 is an equidigital number, since it uses as much as digits as its factorization.

1253894011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1253894011 is about 35410.3658693327. The cubic root of 1253894011 is about 1078.3347711303.

The spelling of 1253894011 in words is "one billion, two hundred fifty-three million, eight hundred ninety-four thousand, eleven".