654503061 has 16 divisors (see below), whose sum is σ = 877161600. Its totient is φ = 434097408.

The previous prime is 654503053. The next prime is 654503123. The reversal of 654503061 is 160305456.

It is not a de Polignac number, because 654503061 - 2³ = 654503053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654503021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779680 + ... + 780518.

It is an arithmetic number, because the mean of its divisors is an integer number (54822600).

Almost surely, 2^654503061 is an apocalyptic number.

It is an amenable number.

654503061 is a deficient number, since it is larger than the sum of its proper divisors (222658539).

654503061 is a wasteful number, since it uses less digits than its factorization.

654503061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 654503061 is about 25583.2574352837. The cubic root of 654503061 is about 868.2348767458.

The spelling of 654503061 in words is "six hundred fifty-four million, five hundred three thousand, sixty-one".