531400352 has 48 divisors (see below), whose sum is σ = 1212527232. Its totient is φ = 224528640.

The previous prime is 531400351. The next prime is 531400367. The reversal of 531400352 is 253004135.

It is not an unprimeable number, because it can be changed into a prime (531400351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 32610.

It is an arithmetic number, because the mean of its divisors is an integer number (25260984).

Almost surely, 2^531400352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531400352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606263616).

531400352 is an abundant number, since it is smaller than the sum of its proper divisors (681126880).

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

531400352 is a wasteful number, since it uses less digits than its factorization.

531400352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33501 (or 33493 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 531400352 is about 23052.1225053139. The cubic root of 531400352 is about 809.9793481500.

Adding to 531400352 its reverse (253004135), we get a palindrome (784404487).

The spelling of 531400352 in words is "five hundred thirty-one million, four hundred thousand, three hundred fifty-two".