1045987513 has 8 divisors (see below), whose sum is σ = 1071566496. Its totient is φ = 1020465600.

The previous prime is 1045987511. The next prime is 1045987519. The reversal of 1045987513 is 3157895401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045987513 - 2¹ = 1045987511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045987513.

It is not an unprimeable number, because it can be changed into a prime (1045987511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24078 + ... + 51688.

It is an arithmetic number, because the mean of its divisors is an integer number (133945812).

Almost surely, 2^1045987513 is an apocalyptic number.

It is an amenable number.

1045987513 is a deficient number, since it is larger than the sum of its proper divisors (25578983).

1045987513 is an equidigital number, since it uses as much as digits as its factorization.

1045987513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28535.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1045987513 is about 32341.7302103644. The cubic root of 1045987513 is about 1015.1000129555.

The spelling of 1045987513 in words is "one billion, forty-five million, nine hundred eighty-seven thousand, five hundred thirteen".