531673087 has 8 divisors (see below), whose sum is σ = 580430592. Its totient is φ = 482986200.

The previous prime is 531673061. The next prime is 531673123. The reversal of 531673087 is 780376135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531673087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531673007) 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, 1239 + ... + 32632.

It is an arithmetic number, because the mean of its divisors is an integer number (72553824).

Almost surely, 2^531673087 is an apocalyptic number.

531673087 is a deficient number, since it is larger than the sum of its proper divisors (48757505).

531673087 is a wasteful number, since it uses less digits than its factorization.

531673087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35309.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 531673087 is about 23058.0373622735. The cubic root of 531673087 is about 810.1178952513.

The spelling of 531673087 in words is "five hundred thirty-one million, six hundred seventy-three thousand, eighty-seven".