1007989253 has 4 divisors (see below), whose sum is σ = 1011230688. Its totient is φ = 1004747820.

The previous prime is 1007989249. The next prime is 1007989277. The reversal of 1007989253 is 3529897001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1007989253 - 2² = 1007989249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007989243) 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, 1620251 + ... + 1620872.

It is an arithmetic number, because the mean of its divisors is an integer number (252807672).

Almost surely, 2^1007989253 is an apocalyptic number.

It is an amenable number.

1007989253 is a deficient number, since it is larger than the sum of its proper divisors (3241435).

1007989253 is an equidigital number, since it uses as much as digits as its factorization.

1007989253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241434.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1007989253 is about 31748.8464829827. The cubic root of 1007989253 is about 1002.6560236262.

The spelling of 1007989253 in words is "one billion, seven million, nine hundred eighty-nine thousand, two hundred fifty-three".