653142 has 16 divisors (see below), whose sum is σ = 1492992. Its totient is φ = 186600.

The previous prime is 653117. The next prime is 653143. The reversal of 653142 is 241356.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653142.

It is not an unprimeable number, because it can be changed into a prime (653143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7734 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

2⁶⁵³¹⁴² is an apocalyptic number.

653142 is an abundant number, since it is smaller than the sum of its proper divisors (839850).

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

653142 is a wasteful number, since it uses less digits than its factorization.

653142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563.

The product of its digits is 720, while the sum is 21.

The square root of 653142 is about 808.1720113936. The cubic root of 653142 is about 86.7632617928.

Adding to 653142 its reverse (241356), we get a palindrome (894498).

The spelling of 653142 in words is "six hundred fifty-three thousand, one hundred forty-two".