1253845938 has 8 divisors (see below), whose sum is σ = 2507691888. Its totient is φ = 417948644.

The previous prime is 1253845937. The next prime is 1253845951. The reversal of 1253845938 is 8395483521.

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

1253845938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1253845937) 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, 104487156 + ... + 104487167.

It is an arithmetic number, because the mean of its divisors is an integer number (313461486).

Almost surely, 2^1253845938 is an apocalyptic number.

1253845938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1253845938 is a wasteful number, since it uses less digits than its factorization.

1253845938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208974328.

The product of its digits is 1036800, while the sum is 48.

The square root of 1253845938 is about 35409.6870644178. The cubic root of 1253845938 is about 1078.3209902074.

The spelling of 1253845938 in words is "one billion, two hundred fifty-three million, eight hundred forty-five thousand, nine hundred thirty-eight".