545461541 has 4 divisors (see below), whose sum is σ = 577547532. Its totient is φ = 513375552.

The previous prime is 545461517. The next prime is 545461559. The reversal of 545461541 is 145164545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 378302500 + 167159041 = 19450^2 + 12929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545461541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545466541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16042970 + ... + 16043003.

It is an arithmetic number, because the mean of its divisors is an integer number (144386883).

Almost surely, 2^545461541 is an apocalyptic number.

It is an amenable number.

545461541 is a deficient number, since it is larger than the sum of its proper divisors (32085991).

545461541 is a wasteful number, since it uses less digits than its factorization.

545461541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085990.

The product of its digits is 48000, while the sum is 35.

The square root of 545461541 is about 23355.1180900461. The cubic root of 545461541 is about 817.0614335964.

The spelling of 545461541 in words is "five hundred forty-five million, four hundred sixty-one thousand, five hundred forty-one".