1040632573 has 4 divisors (see below), whose sum is σ = 1042388028. Its totient is φ = 1038877120.

The previous prime is 1040632559. The next prime is 1040632591. The reversal of 1040632573 is 3752360401.

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 337163044 + 703469529 = 18362^2 + 26523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040632573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040632513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876838 + ... + 878023.

It is an arithmetic number, because the mean of its divisors is an integer number (260597007).

Almost surely, 2^1040632573 is an apocalyptic number.

It is an amenable number.

1040632573 is a deficient number, since it is larger than the sum of its proper divisors (1755455).

1040632573 is an equidigital number, since it uses as much as digits as its factorization.

1040632573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755454.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1040632573 is about 32258.8371303121. The cubic root of 1040632573 is about 1013.3647779827.

Adding to 1040632573 its reverse (3752360401), we get a palindrome (4792992974).

The spelling of 1040632573 in words is "one billion, forty million, six hundred thirty-two thousand, five hundred seventy-three".