530150381 has 4 divisors (see below), whose sum is σ = 530566812. Its totient is φ = 529733952.

The previous prime is 530150359. The next prime is 530150399. The reversal of 530150381 is 183051035.

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 302412100 + 227738281 = 17390^2 + 15091^2 .

It is a cyclic number.

It is not a de Polignac number, because 530150381 - 2⁶ = 530150317 is a prime.

It is a super-2 number, since 2×530150381² = 562118852948890322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530150381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530150081) 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, 206300 + ... + 208853.

It is an arithmetic number, because the mean of its divisors is an integer number (132641703).

Almost surely, 2^530150381 is an apocalyptic number.

It is an amenable number.

530150381 is a deficient number, since it is larger than the sum of its proper divisors (416431).

530150381 is a wasteful number, since it uses less digits than its factorization.

530150381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416430.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 530150381 is about 23024.9947014109. The cubic root of 530150381 is about 809.3437661029.

The spelling of 530150381 in words is "five hundred thirty million, one hundred fifty thousand, three hundred eighty-one".