1253415000 has 80 divisors (see below), whose sum is σ = 3915715320. Its totient is φ = 334240000.

The previous prime is 1253414999. The next prime is 1253415011. The reversal of 1253415000 is 5143521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26781 + ... + 56780.

Almost surely, 2^1253415000 is an apocalyptic number.

1253415000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253415000 is an abundant number, since it is smaller than the sum of its proper divisors (2662300320).

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

1253415000 is an equidigital number, since it uses as much as digits as its factorization.

1253415000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83590 (or 83571 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1253415000 is about 35403.6015117106. The cubic root of 1253415000 is about 1078.1974389471.

Adding to 1253415000 its reverse (5143521), we get a palindrome (1258558521).

The spelling of 1253415000 in words is "one billion, two hundred fifty-three million, four hundred fifteen thousand".