1052574493 has 4 divisors (see below), whose sum is σ = 1052712828. Its totient is φ = 1052436160.

The previous prime is 1052574473. The next prime is 1052574539. The reversal of 1052574493 is 3944752501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363931929 + 688642564 = 19077^2 + 26242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052574493 - 2⁹ = 1052573981 is a prime.

It is a super-2 number, since 2×1052574493² = 2215826126628414098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052574473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57046 + ... + 73207.

It is an arithmetic number, because the mean of its divisors is an integer number (263178207).

Almost surely, 2^1052574493 is an apocalyptic number.

It is an amenable number.

1052574493 is a deficient number, since it is larger than the sum of its proper divisors (138335).

1052574493 is an equidigital number, since it uses as much as digits as its factorization.

1052574493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138334.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 1052574493 is about 32443.4044606912. The cubic root of 1052574493 is about 1017.2263789046.

The spelling of 1052574493 in words is "one billion, fifty-two million, five hundred seventy-four thousand, four hundred ninety-three".