385503325 has 6 divisors (see below), whose sum is σ = 478024154. Its totient is φ = 308402640.

The previous prime is 385503319. The next prime is 385503329. The reversal of 385503325 is 523305583.

It can be written as a sum of positive squares in 3 ways, for example, as 88906041 + 296597284 = 9429^2 + 17222^2 .

It is not a de Polignac number, because 385503325 - 2¹³ = 385495133 is a prime.

It is a super-2 number, since 2×385503325² = 297225627172111250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385503329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7710042 + ... + 7710091.

Almost surely, 2^385503325 is an apocalyptic number.

It is an amenable number.

385503325 is a deficient number, since it is larger than the sum of its proper divisors (92520829).

385503325 is a wasteful number, since it uses less digits than its factorization.

385503325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15420143 (or 15420138 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 385503325 is about 19634.2385897697. The cubic root of 385503325 is about 727.7955169013.

The spelling of 385503325 in words is "three hundred eighty-five million, five hundred three thousand, three hundred twenty-five".