531032545 has 8 divisors (see below), whose sum is σ = 639541224. Its totient is φ = 423291264.

The previous prime is 531032527. The next prime is 531032581. The reversal of 531032545 is 545230135.

It can be written as a sum of positive squares in 4 ways, for example, as 126540001 + 404492544 = 11249^2 + 20112^2 .

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 531032545 - 2¹³ = 531024353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190324 + ... + 193093.

It is an arithmetic number, because the mean of its divisors is an integer number (79942653).

Almost surely, 2^531032545 is an apocalyptic number.

It is an amenable number.

531032545 is a deficient number, since it is larger than the sum of its proper divisors (108508679).

531032545 is a wasteful number, since it uses less digits than its factorization.

531032545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383699.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 531032545 is about 23044.1433991372. The cubic root of 531032545 is about 809.7924301742.

The spelling of 531032545 in words is "five hundred thirty-one million, thirty-two thousand, five hundred forty-five".