1042501825 has 12 divisors (see below), whose sum is σ = 1327641340. Its totient is φ = 811460160.

The previous prime is 1042501819. The next prime is 1042501903. The reversal of 1042501825 is 5281052401.

It can be written as a sum of positive squares in 6 ways, for example, as 28206721 + 1014295104 = 5311^2 + 31848^2 .

It is not a de Polignac number, because 1042501825 - 2¹³ = 1042493633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042501793 and 1042501802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562590 + ... + 564439.

Almost surely, 2^1042501825 is an apocalyptic number.

It is an amenable number.

1042501825 is a deficient number, since it is larger than the sum of its proper divisors (285139515).

1042501825 is a wasteful number, since it uses less digits than its factorization.

1042501825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127076 (or 1127071 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1042501825 is about 32287.7968433896. The cubic root of 1042501825 is about 1013.9711723160.

The spelling of 1042501825 in words is "one billion, forty-two million, five hundred one thousand, eight hundred twenty-five".