1253065480 has 16 divisors (see below), whose sum is σ = 2819397420. Its totient is φ = 501226176.

The previous prime is 1253065441. The next prime is 1253065481. The reversal of 1253065480 is 845603521.

It can be written as a sum of positive squares in 2 ways, for example, as 1245101796 + 7963684 = 35286^2 + 2822^2 .

It is not an unprimeable number, because it can be changed into a prime (1253065481) 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, 15663279 + ... + 15663358.

Almost surely, 2^1253065480 is an apocalyptic number.

1253065480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253065480 is an abundant number, since it is smaller than the sum of its proper divisors (1566331940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253065480 is a wasteful number, since it uses less digits than its factorization.

1253065480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326648 (or 31326644 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1253065480 is about 35398.6649465767. The cubic root of 1253065480 is about 1078.0972096792.

The spelling of 1253065480 in words is "one billion, two hundred fifty-three million, sixty-five thousand, four hundred eighty".