531162146 has 8 divisors (see below), whose sum is σ = 805695660. Its totient is φ = 262596928.

The previous prime is 531162143. The next prime is 531162167. The reversal of 531162146 is 641261135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 517062121 + 14100025 = 22739^2 + 3755^2 .

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

It is not an unprimeable number, because it can be changed into a prime (531162143) 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, 1491851 + ... + 1492206.

Almost surely, 2^531162146 is an apocalyptic number.

531162146 is a deficient number, since it is larger than the sum of its proper divisors (274533514).

531162146 is a wasteful number, since it uses less digits than its factorization.

531162146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984148.

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

The square root of 531162146 is about 23046.9552435891. The cubic root of 531162146 is about 809.8583027044.

The spelling of 531162146 in words is "five hundred thirty-one million, one hundred sixty-two thousand, one hundred forty-six".