531404052 has 48 divisors (see below), whose sum is σ = 1296207360. Its totient is φ = 169125088.

The previous prime is 531404047. The next prime is 531404053. The reversal of 531404052 is 250404135.

It is a super-3 number, since 3×531404052³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531404053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187099 + ... + 189917.

It is an arithmetic number, because the mean of its divisors is an integer number (27004320).

Almost surely, 2^531404052 is an apocalyptic number.

It is an amenable number.

531404052 is an abundant number, since it is smaller than the sum of its proper divisors (764803308).

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

531404052 is a wasteful number, since it uses less digits than its factorization.

531404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 531404052 is about 23052.2027580880. The cubic root of 531404052 is about 809.9812280362.

Adding to 531404052 its reverse (250404135), we get a palindrome (781808187).

The spelling of 531404052 in words is "five hundred thirty-one million, four hundred four thousand, fifty-two".