1050403505 has 12 divisors (see below), whose sum is σ = 1330319412. Its totient is φ = 796093920.

The previous prime is 1050403493. The next prime is 1050403507. The reversal of 1050403505 is 5053040501.

It can be written as a sum of positive squares in 2 ways, for example, as 469979041 + 580424464 = 21679^2 + 24092^2 .

It is not a de Polignac number, because 1050403505 - 2²⁸ = 781968049 is a prime.

It is a super-2 number, since 2×1050403505² = 2206695046632570050, 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 (1050403507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289166 + ... + 292775.

It is an arithmetic number, because the mean of its divisors is an integer number (110859951).

Almost surely, 2^1050403505 is an apocalyptic number.

It is an amenable number.

1050403505 is a deficient number, since it is larger than the sum of its proper divisors (279915907).

1050403505 is an equidigital number, since it uses as much as digits as its factorization.

1050403505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581984 (or 581965 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1050403505 is about 32409.9291113078. The cubic root of 1050403505 is about 1016.5265372872.

The spelling of 1050403505 in words is "one billion, fifty million, four hundred three thousand, five hundred five".