531689434 has 16 divisors (see below), whose sum is σ = 809061120. Its totient is φ = 262014480.

The previous prime is 531689429. The next prime is 531689443. The reversal of 531689434 is 434986135.

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, 97032 + ... + 102364.

It is an arithmetic number, because the mean of its divisors is an integer number (50566320).

Almost surely, 2^531689434 is an apocalyptic number.

531689434 is a deficient number, since it is larger than the sum of its proper divisors (277371686).

531689434 is a wasteful number, since it uses less digits than its factorization.

531689434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045.

The product of its digits is 311040, while the sum is 43.

The square root of 531689434 is about 23058.3918346445. The cubic root of 531689434 is about 810.1261978855.

The spelling of 531689434 in words is "five hundred thirty-one million, six hundred eighty-nine thousand, four hundred thirty-four".