653542 has 16 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 309960.

The previous prime is 653539. The next prime is 653561. The reversal of 653542 is 245356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5083 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2⁶⁵³⁵⁴² is an apocalyptic number.

653542 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

653542 is a deficient number, since it is larger than the sum of its proper divisors (378650).

653542 is a wasteful number, since it uses less digits than its factorization.

653542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

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

The square root of 653542 is about 808.4194455850. The cubic root of 653542 is about 86.7809701535.

Adding to 653542 its reverse (245356), we get a palindrome (898898).

It can be divided in two parts, 65354 and 2, that added together give a palindrome (65356).

The spelling of 653542 in words is "six hundred fifty-three thousand, five hundred forty-two".