545006761 has 8 divisors (see below), whose sum is σ = 588414344. Its totient is φ = 501811200.

The previous prime is 545006741. The next prime is 545006771. The reversal of 545006761 is 167600545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 173712400 + 371294361 = 13180^2 + 19269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545006761 - 2⁵ = 545006729 is a prime.

It is a super-2 number, since 2×545006761² = 594064739071422242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545006711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47640 + ... + 57961.

It is an arithmetic number, because the mean of its divisors is an integer number (73551793).

Almost surely, 2^545006761 is an apocalyptic number.

It is an amenable number.

545006761 is a deficient number, since it is larger than the sum of its proper divisors (43407583).

545006761 is a wasteful number, since it uses less digits than its factorization.

545006761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106011.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 545006761 is about 23345.3798641187. The cubic root of 545006761 is about 816.8342947496.

The spelling of 545006761 in words is "five hundred forty-five million, six thousand, seven hundred sixty-one".