1672256353 has 8 divisors (see below), whose sum is σ = 1688049000. Its totient is φ = 1656524928.

The previous prime is 1672256351. The next prime is 1672256359. The reversal of 1672256353 is 3536522761.

It can be written as a sum of positive squares in 4 ways, for example, as 61277584 + 1610978769 = 7828^2 + 40137^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1672256353 - 2¹ = 1672256351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672256351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40533 + ... + 70621.

It is an arithmetic number, because the mean of its divisors is an integer number (211006125).

Almost surely, 2^1672256353 is an apocalyptic number.

It is an amenable number.

1672256353 is a deficient number, since it is larger than the sum of its proper divisors (15792647).

1672256353 is a wasteful number, since it uses less digits than its factorization.

1672256353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30611.

The product of its digits is 226800, while the sum is 40.

The square root of 1672256353 is about 40893.2311391506. The cubic root of 1672256353 is about 1186.9550836618.

The spelling of 1672256353 in words is "one billion, six hundred seventy-two million, two hundred fifty-six thousand, three hundred fifty-three".