577021234 has 4 divisors (see below), whose sum is σ = 865531854. Its totient is φ = 288510616.

The previous prime is 577021231. The next prime is 577021243. The reversal of 577021234 is 432120775.

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

It can be written as a sum of positive squares in only one way, i.e., 307897209 + 269124025 = 17547^2 + 16405^2 .

It is a junction number, because it is equal to n+sod(n) for n = 577021196 and 577021205.

It is not an unprimeable number, because it can be changed into a prime (577021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144255307 + ... + 144255310.

Almost surely, 2^577021234 is an apocalyptic number.

577021234 is a deficient number, since it is larger than the sum of its proper divisors (288510620).

577021234 is a wasteful number, since it uses less digits than its factorization.

577021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288510619.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 577021234 is about 24021.2662863555. The cubic root of 577021234 is about 832.5249639759.

The spelling of 577021234 in words is "five hundred seventy-seven million, twenty-one thousand, two hundred thirty-four".