530278004 has 6 divisors (see below), whose sum is σ = 927986514. Its totient is φ = 265139000.

The previous prime is 530278003. The next prime is 530278009. The reversal of 530278004 is 400872035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 529920400 + 357604 = 23020^2 + 598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530278003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66284747 + ... + 66284754.

It is an arithmetic number, because the mean of its divisors is an integer number (154664419).

Almost surely, 2^530278004 is an apocalyptic number.

It is an amenable number.

530278004 is a deficient number, since it is larger than the sum of its proper divisors (397708510).

530278004 is a wasteful number, since it uses less digits than its factorization.

530278004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132569505 (or 132569503 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 530278004 is about 23027.7659359305. The cubic root of 530278004 is about 809.4087052823.

The spelling of 530278004 in words is "five hundred thirty million, two hundred seventy-eight thousand, four".