234540532 has 24 divisors (see below), whose sum is σ = 419942600. Its totient is φ = 114587136.

The previous prime is 234540497. The next prime is 234540539. The reversal of 234540532 is 235045432.

It can be written as a sum of positive squares in 4 ways, for example, as 116079076 + 118461456 = 10774^2 + 10884^2 .

It is a super-2 number, since 2×234540532² = 110018522301686048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234540532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234540539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28144 + ... + 35512.

Almost surely, 2^234540532 is an apocalyptic number.

It is an amenable number.

234540532 is a deficient number, since it is larger than the sum of its proper divisors (185402068).

234540532 is a wasteful number, since it uses less digits than its factorization.

234540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 234540532 is about 15314.7161906449. The cubic root of 234540532 is about 616.6981353635.

Adding to 234540532 its reverse (235045432), we get a palindrome (469585964).

The spelling of 234540532 in words is "two hundred thirty-four million, five hundred forty thousand, five hundred thirty-two".