531266141 has 8 divisors (see below), whose sum is σ = 617115264. Its totient is φ = 447905520.

The previous prime is 531266129. The next prime is 531266147. The reversal of 531266141 is 141662135.

It is a happy number.

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-531266141 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 (531266147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 621665 + ... + 622518.

It is an arithmetic number, because the mean of its divisors is an integer number (77139408).

Almost surely, 2^531266141 is an apocalyptic number.

It is an amenable number.

531266141 is a deficient number, since it is larger than the sum of its proper divisors (85849123).

531266141 is a wasteful number, since it uses less digits than its factorization.

531266141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244251.

The product of its digits is 4320, while the sum is 29.

The square root of 531266141 is about 23049.2112880246. The cubic root of 531266141 is about 809.9111526793.

The spelling of 531266141 in words is "five hundred thirty-one million, two hundred sixty-six thousand, one hundred forty-one".