531332078 has 8 divisors (see below), whose sum is σ = 801888168. Its totient is φ = 264036024.

The previous prime is 531332077. The next prime is 531332083. The reversal of 531332078 is 870233135.

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

It is a super-2 number, since 2×531332078² = 564627554223596168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531332071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814601 + ... + 815252.

It is an arithmetic number, because the mean of its divisors is an integer number (100236021).

Almost surely, 2^531332078 is an apocalyptic number.

531332078 is a deficient number, since it is larger than the sum of its proper divisors (270556090).

531332078 is a wasteful number, since it uses less digits than its factorization.

531332078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630018.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 531332078 is about 23050.6415962767. The cubic root of 531332078 is about 809.9446581099.

The spelling of 531332078 in words is "five hundred thirty-one million, three hundred thirty-two thousand, seventy-eight".