1253301999 has 16 divisors (see below), whose sum is σ = 1817191008. Its totient is φ = 765130752.

The previous prime is 1253301949. The next prime is 1253302009. The reversal of 1253301999 is 9991033521.

It is not a de Polignac number, because 1253301999 - 2¹¹ = 1253299951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253301999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253301919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330202 + ... + 333975.

It is an arithmetic number, because the mean of its divisors is an integer number (113574438).

Almost surely, 2^1253301999 is an apocalyptic number.

1253301999 is a deficient number, since it is larger than the sum of its proper divisors (563889009).

1253301999 is a wasteful number, since it uses less digits than its factorization.

1253301999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664234.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 1253301999 is about 35402.0055787804. The cubic root of 1253301999 is about 1078.1650365237.

The spelling of 1253301999 in words is "one billion, two hundred fifty-three million, three hundred one thousand, nine hundred ninety-nine".