577352641 has 4 divisors (see below), whose sum is σ = 577408132. Its totient is φ = 577297152.

The previous prime is 577352621. The next prime is 577352669. The reversal of 577352641 is 146253775.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 483340225 + 94012416 = 21985^2 + 9696^2 .

It is a 3-Lehmer number, since φ(577352641) divides (577352641-1)³.

It is a cyclic number.

It is not a de Polignac number, because 577352641 - 2¹¹ = 577350593 is a prime.

It is a super-4 number, since 4×577352641⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 577352594 and 577352603.

It is not an unprimeable number, because it can be changed into a prime (577352621) 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, 6936 + ... + 34681.

It is an arithmetic number, because the mean of its divisors is an integer number (144352033).

It is a Poulet number, since it divides 2^577352640-1.

Almost surely, 2^577352641 is an apocalyptic number.

577352641 is the 13873-rd octagonal number.

It is an amenable number.

577352641 is a deficient number, since it is larger than the sum of its proper divisors (55491).

577352641 is a wasteful number, since it uses less digits than its factorization.

577352641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55490.

The product of its digits is 176400, while the sum is 40.

The square root of 577352641 is about 24028.1634961975. The cubic root of 577352641 is about 832.6843179015.

The spelling of 577352641 in words is "five hundred seventy-seven million, three hundred fifty-two thousand, six hundred forty-one".