385520541 has 8 divisors (see below), whose sum is σ = 587459904. Its totient is φ = 220297440.

The previous prime is 385520533. The next prime is 385520579. The reversal of 385520541 is 145025583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385520541 - 2³ = 385520533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385520521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9179040 + ... + 9179081.

It is an arithmetic number, because the mean of its divisors is an integer number (73432488).

Almost surely, 2^385520541 is an apocalyptic number.

It is an amenable number.

385520541 is a deficient number, since it is larger than the sum of its proper divisors (201939363).

385520541 is a wasteful number, since it uses less digits than its factorization.

385520541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18358131.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 385520541 is about 19634.6770026909. The cubic root of 385520541 is about 727.8063508252.

The spelling of 385520541 in words is "three hundred eighty-five million, five hundred twenty thousand, five hundred forty-one".