1672570525 has 12 divisors (see below), whose sum is σ = 2102400532. Its totient is φ = 1319725440.

The previous prime is 1672570519. The next prime is 1672570553. The reversal of 1672570525 is 5250752761.

It can be written as a sum of positive squares in 6 ways, for example, as 38713284 + 1633857241 = 6222^2 + 40421^2 .

It is not a de Polignac number, because 1672570525 - 2⁷ = 1672570397 is a prime.

It is a super-2 number, since 2×1672570525² = 5594984322197551250, which contains 22 as substring.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 456414 + ... + 460063.

Almost surely, 2^1672570525 is an apocalyptic number.

It is an amenable number.

1672570525 is a deficient number, since it is larger than the sum of its proper divisors (429830007).

1672570525 is an equidigital number, since it uses as much as digits as its factorization.

1672570525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916560 (or 916555 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 1672570525 is about 40897.0723279797. The cubic root of 1672570525 is about 1187.0294113212.

The spelling of 1672570525 in words is "one billion, six hundred seventy-two million, five hundred seventy thousand, five hundred twenty-five".