531504348 has 12 divisors (see below), whose sum is σ = 1240176840. Its totient is φ = 177168112.

The previous prime is 531504329. The next prime is 531504349. The reversal of 531504348 is 843405135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531504349) 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, 22146003 + ... + 22146026.

It is an arithmetic number, because the mean of its divisors is an integer number (103348070).

Almost surely, 2^531504348 is an apocalyptic number.

It is an amenable number.

531504348 is an abundant number, since it is smaller than the sum of its proper divisors (708672492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531504348 is a wasteful number, since it uses less digits than its factorization.

531504348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44292036 (or 44292034 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 531504348 is about 23054.3780657818. The cubic root of 531504348 is about 810.0321828396.

The spelling of 531504348 in words is "five hundred thirty-one million, five hundred four thousand, three hundred forty-eight".