1253164003 has 8 divisors (see below), whose sum is σ = 1542355808. Its totient is φ = 991514304.

The previous prime is 1253164001. The next prime is 1253164009. The reversal of 1253164003 is 3004613521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253164003 - 2¹ = 1253164001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253164001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6885426 + ... + 6885607.

It is an arithmetic number, because the mean of its divisors is an integer number (192794476).

Almost surely, 2^1253164003 is an apocalyptic number.

1253164003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1253164003 is a deficient number, since it is larger than the sum of its proper divisors (289191805).

1253164003 is a wasteful number, since it uses less digits than its factorization.

1253164003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771053.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1253164003 is about 35400.0565395029. The cubic root of 1253164003 is about 1078.1254642782.

Adding to 1253164003 its reverse (3004613521), we get a palindrome (4257777524).

The spelling of 1253164003 in words is "one billion, two hundred fifty-three million, one hundred sixty-four thousand, three".