581052380 has 12 divisors (see below), whose sum is σ = 1220210040. Its totient is φ = 232420944.

The previous prime is 581052377. The next prime is 581052397. The reversal of 581052380 is 83250185.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14526290 + ... + 14526329.

It is an arithmetic number, because the mean of its divisors is an integer number (101684170).

Almost surely, 2^581052380 is an apocalyptic number.

It is an amenable number.

581052380 is an abundant number, since it is smaller than the sum of its proper divisors (639157660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

581052380 is a wasteful number, since it uses less digits than its factorization.

581052380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29052628 (or 29052626 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 581052380 is about 24105.0281061856. The cubic root of 581052380 is about 834.4591762439.

The spelling of 581052380 in words is "five hundred eighty-one million, fifty-two thousand, three hundred eighty".