531091094 has 8 divisors (see below), whose sum is σ = 824106960. Its totient is φ = 256388776.

The previous prime is 531091087. The next prime is 531091139. The reversal of 531091094 is 490190135.

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

It is a super-2 number, since 2×531091094² = 564115500252233672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531091094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4578314 + ... + 4578429.

It is an arithmetic number, because the mean of its divisors is an integer number (103013370).

Almost surely, 2^531091094 is an apocalyptic number.

531091094 is a deficient number, since it is larger than the sum of its proper divisors (293015866).

531091094 is a wasteful number, since it uses less digits than its factorization.

531091094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156774.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 531091094 is about 23045.4137302848. The cubic root of 531091094 is about 809.8221903054.

The spelling of 531091094 in words is "five hundred thirty-one million, ninety-one thousand, ninety-four".