1670343025 has 12 divisors (see below), whose sum is σ = 2230550812. Its totient is φ = 1233483840.

The previous prime is 1670343001. The next prime is 1670343079. The reversal of 1670343025 is 5203430761.

It can be written as a sum of positive squares in 6 ways, for example, as 1048576 + 1669294449 = 1024^2 + 40857^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1670343025 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 2569434 + ... + 2570083.

Almost surely, 2^1670343025 is an apocalyptic number.

It is an amenable number.

1670343025 is a deficient number, since it is larger than the sum of its proper divisors (560207787).

1670343025 is a wasteful number, since it uses less digits than its factorization.

1670343025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139540 (or 5139535 counting only the distinct ones).

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

The square root of 1670343025 is about 40869.8302541129. The cubic root of 1670343025 is about 1186.5022222559.

Adding to 1670343025 its reverse (5203430761), we get a palindrome (6873773786).

The spelling of 1670343025 in words is "one billion, six hundred seventy million, three hundred forty-three thousand, twenty-five".