1672545259 has 16 divisors (see below), whose sum is σ = 2087170560. Its totient is φ = 1302082560.

The previous prime is 1672545223. The next prime is 1672545271. The reversal of 1672545259 is 9525452761.

It is a cyclic number.

It is not a de Polignac number, because 1672545259 - 2⁷ = 1672545131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672545359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79362 + ... + 98200.

It is an arithmetic number, because the mean of its divisors is an integer number (130448160).

Almost surely, 2^1672545259 is an apocalyptic number.

1672545259 is a deficient number, since it is larger than the sum of its proper divisors (414625301).

1672545259 is a wasteful number, since it uses less digits than its factorization.

1672545259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010.

The product of its digits is 756000, while the sum is 46.

The square root of 1672545259 is about 40896.7634293962. The cubic root of 1672545259 is about 1187.0234341670.

The spelling of 1672545259 in words is "one billion, six hundred seventy-two million, five hundred forty-five thousand, two hundred fifty-nine".