1050250645 has 4 divisors (see below), whose sum is σ = 1260300780. Its totient is φ = 840200512.

The previous prime is 1050250627. The next prime is 1050250657. The reversal of 1050250645 is 5460520501.

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 456548689 + 593701956 = 21367^2 + 24366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050250645 - 2²³ = 1041862037 is a prime.

It is a super-2 number, since 2×1050250645² = 2206052834645832050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 105025060 + ... + 105025069.

It is an arithmetic number, because the mean of its divisors is an integer number (315075195).

Almost surely, 2^1050250645 is an apocalyptic number.

It is an amenable number.

1050250645 is a deficient number, since it is larger than the sum of its proper divisors (210050135).

1050250645 is an equidigital number, since it uses as much as digits as its factorization.

1050250645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210050134.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1050250645 is about 32407.5707975775. The cubic root of 1050250645 is about 1016.4772248773.

It can be divided in two parts, 1050 and 250645, that added together give a triangular number (251695 = T₇₀₉).

The spelling of 1050250645 in words is "one billion, fifty million, two hundred fifty thousand, six hundred forty-five".