531896545 has 16 divisors (see below), whose sum is σ = 672719040. Its totient is φ = 402611904.

The previous prime is 531896513. The next prime is 531896557. The reversal of 531896545 is 545698135.

It is a cyclic number.

It is not a de Polignac number, because 531896545 - 2⁵ = 531896513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531896495 and 531896504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83079 + ... + 89251.

It is an arithmetic number, because the mean of its divisors is an integer number (42044940).

Almost surely, 2^531896545 is an apocalyptic number.

It is an amenable number.

531896545 is a deficient number, since it is larger than the sum of its proper divisors (140822495).

531896545 is a wasteful number, since it uses less digits than its factorization.

531896545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104.

The product of its digits is 648000, while the sum is 46.

The square root of 531896545 is about 23062.8824087537. The cubic root of 531896545 is about 810.2313747393.

The spelling of 531896545 in words is "five hundred thirty-one million, eight hundred ninety-six thousand, five hundred forty-five".