653255742 has 32 divisors (see below), whose sum is σ = 1347489792. Its totient is φ = 211002624.

The previous prime is 653255741. The next prime is 653255749. The reversal of 653255742 is 247552356.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 653255742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653255741) 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 15 ways as a sum of consecutive naturals, for example, 22798 + ... + 42734.

It is an arithmetic number, because the mean of its divisors is an integer number (42109056).

Almost surely, 2^653255742 is an apocalyptic number.

653255742 is an abundant number, since it is smaller than the sum of its proper divisors (694234050).

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

653255742 is a wasteful number, since it uses less digits than its factorization.

653255742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112.

The product of its digits is 252000, while the sum is 39.

The square root of 653255742 is about 25558.8681674287. The cubic root of 653255742 is about 867.6829798915.

The spelling of 653255742 in words is "six hundred fifty-three million, two hundred fifty-five thousand, seven hundred forty-two".