1532540322 has 48 divisors (see below), whose sum is σ = 3445149240. Its totient is φ = 491774976.

The previous prime is 1532540299. The next prime is 1532540363. The reversal of 1532540322 is 2230452351.

It is a happy number.

1532540322 is a `hidden beast` number, since 15 + 325 + 4 + 0 + 322 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1517024601 + 15515721 = 38949^2 + 3939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180108 + ... + 188424.

Almost surely, 2^1532540322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1532540322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722574620).

1532540322 is an abundant number, since it is smaller than the sum of its proper divisors (1912608918).

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

1532540322 is a wasteful number, since it uses less digits than its factorization.

1532540322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707 (or 8704 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1532540322 is about 39147.6732641929. The cubic root of 1532540322 is about 1152.9327343578.

Adding to 1532540322 its reverse (2230452351), we get a palindrome (3762992673).

The spelling of 1532540322 in words is "one billion, five hundred thirty-two million, five hundred forty thousand, three hundred twenty-two".