1052045403 has 8 divisors (see below), whose sum is σ = 1403073600. Its totient is φ = 701190408.

The previous prime is 1052045387. The next prime is 1052045431. The reversal of 1052045403 is 3045402501.

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

It is not a de Polignac number, because 1052045403 - 2⁴ = 1052045387 is a prime.

It is a super-3 number, since 3×1052045403³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1052045303) 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, 28393 + ... + 53946.

It is an arithmetic number, because the mean of its divisors is an integer number (175384200).

Almost surely, 2^1052045403 is an apocalyptic number.

1052045403 is a deficient number, since it is larger than the sum of its proper divisors (351028197).

1052045403 is an equidigital number, since it uses as much as digits as its factorization.

1052045403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86601.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1052045403 is about 32435.2493901311. The cubic root of 1052045403 is about 1017.0559097321.

Adding to 1052045403 its reverse (3045402501), we get a palindrome (4097447904).

The spelling of 1052045403 in words is "one billion, fifty-two million, forty-five thousand, four hundred three".