253443532 has 24 divisors (see below), whose sum is σ = 470407392. Its totient is φ = 119222400.

The previous prime is 253443529. The next prime is 253443539. The reversal of 253443532 is 235344352.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 253443494 and 253443503.

It is not an unprimeable number, because it can be changed into a prime (253443539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16969 + ... + 28192.

It is an arithmetic number, because the mean of its divisors is an integer number (19600308).

Almost surely, 2^253443532 is an apocalyptic number.

It is an amenable number.

253443532 is a deficient number, since it is larger than the sum of its proper divisors (216963860).

253443532 is a wasteful number, since it uses less digits than its factorization.

253443532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45249 (or 45247 counting only the distinct ones).

The product of its digits is 43200, while the sum is 31.

The square root of 253443532 is about 15919.9099243683. The cubic root of 253443532 is about 632.8397312515.

Adding to 253443532 its reverse (235344352), we get a palindrome (488787884).

The spelling of 253443532 in words is "two hundred fifty-three million, four hundred forty-three thousand, five hundred thirty-two".