1253810982 has 8 divisors (see below), whose sum is σ = 2507621976. Its totient is φ = 417936992.

The previous prime is 1253810959. The next prime is 1253810993. The reversal of 1253810982 is 2890183521.

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

1253810982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253810982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104484243 + ... + 104484254.

It is an arithmetic number, because the mean of its divisors is an integer number (313452747).

Almost surely, 2^1253810982 is an apocalyptic number.

1253810982 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.

1253810982 is a wasteful number, since it uses less digits than its factorization.

1253810982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208968502.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1253810982 is about 35409.1934672339. The cubic root of 1253810982 is about 1078.3109692690.

The spelling of 1253810982 in words is "one billion, two hundred fifty-three million, eight hundred ten thousand, nine hundred eighty-two".