1040745025 has 12 divisors (see below), whose sum is σ = 1322001324. Its totient is φ = 812288000.

The previous prime is 1040745019. The next prime is 1040745109. The reversal of 1040745025 is 5205470401.

It can be written as a sum of positive squares in 6 ways, for example, as 457232689 + 583512336 = 21383^2 + 24156^2 .

It is not a de Polignac number, because 1040745025 - 2²³ = 1032356417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040744984 and 1040745002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506656 + ... + 508705.

It is an arithmetic number, because the mean of its divisors is an integer number (110166777).

Almost surely, 2^1040745025 is an apocalyptic number.

It is an amenable number.

1040745025 is a deficient number, since it is larger than the sum of its proper divisors (281256299).

1040745025 is a wasteful number, since it uses less digits than its factorization.

1040745025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015412 (or 1015407 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1040745025 is about 32260.5800474821. The cubic root of 1040745025 is about 1013.4012784711.

The spelling of 1040745025 in words is "one billion, forty million, seven hundred forty-five thousand, twenty-five".