531938193 has 12 divisors (see below), whose sum is σ = 748546128. Its totient is φ = 335960280.

The previous prime is 531938189. The next prime is 531938221. The reversal of 531938193 is 391839135.

It is a happy number.

It is not a de Polignac number, because 531938193 - 2² = 531938189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531938123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244503 + ... + 246668.

It is an arithmetic number, because the mean of its divisors is an integer number (62378844).

Almost surely, 2^531938193 is an apocalyptic number.

It is an amenable number.

531938193 is a deficient number, since it is larger than the sum of its proper divisors (216607935).

531938193 is a wasteful number, since it uses less digits than its factorization.

531938193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491212 (or 491193 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 531938193 is about 23063.7853137771. The cubic root of 531938193 is about 810.2525214804.

The spelling of 531938193 in words is "five hundred thirty-one million, nine hundred thirty-eight thousand, one hundred ninety-three".