654612541 has 6 divisors (see below), whose sum is σ = 719532926. Its totient is φ = 595102200.

The previous prime is 654612527. The next prime is 654612587. The reversal of 654612541 is 145216456.

It can be written as a sum of positive squares in only one way, i.e., 606587641 + 48024900 = 24629^2 + 6930^2 .

It is not a de Polignac number, because 654612541 - 2⁵ = 654612509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 654612497 and 654612506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654612241) 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 5 ways as a sum of consecutive naturals, for example, 2704890 + ... + 2705131.

Almost surely, 2^654612541 is an apocalyptic number.

It is an amenable number.

654612541 is a deficient number, since it is larger than the sum of its proper divisors (64920385).

654612541 is a wasteful number, since it uses less digits than its factorization.

654612541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410043 (or 5410032 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 654612541 is about 25585.3970264290. The cubic root of 654612541 is about 868.2832844923.

Adding to 654612541 its reverse (145216456), we get a palindrome (799828997).

The spelling of 654612541 in words is "six hundred fifty-four million, six hundred twelve thousand, five hundred forty-one".