603254345561 has 64 divisors (see below), whose sum is σ = 749607260160. Its totient is φ = 474283434240.

The previous prime is 603254345557. The next prime is 603254345641. The reversal of 603254345561 is 165543452306.

603254345561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 603254345561 - 2² = 603254345557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (603254345501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312080951 + ... + 312082883.

It is an arithmetic number, because the mean of its divisors is an integer number (11712613440).

Almost surely, 2^603254345561 is an apocalyptic number.

603254345561 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

603254345561 is a deficient number, since it is larger than the sum of its proper divisors (146352914599).

603254345561 is a wasteful number, since it uses less digits than its factorization.

603254345561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 603254345561 its reverse (165543452306), we get a palindrome (768797797867).

The spelling of 603254345561 in words is "six hundred three billion, two hundred fifty-four million, three hundred forty-five thousand, five hundred sixty-one".