252321532 has 6 divisors (see below), whose sum is σ = 441562688. Its totient is φ = 126160764.

The previous prime is 252321529. The next prime is 252321551. The reversal of 252321532 is 235123252.

It is a junction number, because it is equal to n+sod(n) for n = 252321497 and 252321506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31540188 + ... + 31540195.

Almost surely, 2^252321532 is an apocalyptic number.

It is an amenable number.

252321532 is a deficient number, since it is larger than the sum of its proper divisors (189241156).

252321532 is a wasteful number, since it uses less digits than its factorization.

252321532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63080387 (or 63080385 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 252321532 is about 15884.6319441150. The cubic root of 252321532 is about 631.9044847108.

Adding to 252321532 its reverse (235123252), we get a palindrome (487444784).

The spelling of 252321532 in words is "two hundred fifty-two million, three hundred twenty-one thousand, five hundred thirty-two".