1672559285 has 8 divisors (see below), whose sum is σ = 2061316536. Its totient is φ = 1301883840.

The previous prime is 1672559233. The next prime is 1672559299. The reversal of 1672559285 is 5829552761.

1672559285 = 28918² + 28919².

It can be written as a sum of positive squares in 4 ways, for example, as 836250724 + 836308561 = 28918^2 + 28919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1672559285 - 2⁶ = 1672559221 is a prime.

It is a super-2 number, since 2×1672559285² = 5594909123679422450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 4520246 + ... + 4520615.

It is an arithmetic number, because the mean of its divisors is an integer number (257664567).

Almost surely, 2^1672559285 is an apocalyptic number.

1672559285 is the 28919-th centered square number.

It is an amenable number.

1672559285 is a deficient number, since it is larger than the sum of its proper divisors (388757251).

1672559285 is an equidigital number, since it uses as much as digits as its factorization.

1672559285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040903.

The product of its digits is 1512000, while the sum is 50.

The square root of 1672559285 is about 40896.9349095993. The cubic root of 1672559285 is about 1187.0267522923.

The spelling of 1672559285 in words is "one billion, six hundred seventy-two million, five hundred fifty-nine thousand, two hundred eighty-five".