1253015451 has 12 divisors (see below), whose sum is σ = 1810242720. Its totient is φ = 835190640.

The previous prime is 1253015389. The next prime is 1253015479. The reversal of 1253015451 is 1545103521.

It is not a de Polignac number, because 1253015451 - 2¹¹ = 1253013403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253011451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62481 + ... + 80061.

It is an arithmetic number, because the mean of its divisors is an integer number (150853560).

Almost surely, 2^1253015451 is an apocalyptic number.

1253015451 is a deficient number, since it is larger than the sum of its proper divisors (557227269).

1253015451 is a wasteful number, since it uses less digits than its factorization.

1253015451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25506 (or 25503 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1253015451 is about 35397.9582885793. The cubic root of 1253015451 is about 1078.0828617078.

Adding to 1253015451 its reverse (1545103521), we get a palindrome (2798118972).

The spelling of 1253015451 in words is "one billion, two hundred fifty-three million, fifteen thousand, four hundred fifty-one".