1253424511 has 4 divisors (see below), whose sum is σ = 1257211624. Its totient is φ = 1249637400.

The previous prime is 1253424503. The next prime is 1253424533. The reversal of 1253424511 is 1154243521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1253424511 - 2³ = 1253424503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253424511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253424541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893060 + ... + 1893721.

It is an arithmetic number, because the mean of its divisors is an integer number (314302906).

Almost surely, 2^1253424511 is an apocalyptic number.

1253424511 is a deficient number, since it is larger than the sum of its proper divisors (3787113).

1253424511 is an equidigital number, since it uses as much as digits as its factorization.

1253424511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787112.

The product of its digits is 4800, while the sum is 28.

The square root of 1253424511 is about 35403.7358339484. The cubic root of 1253424511 is about 1078.2001660858.

The spelling of 1253424511 in words is "one billion, two hundred fifty-three million, four hundred twenty-four thousand, five hundred eleven".