385501 has 2 divisors, whose sum is σ = 385502. Its totient is φ = 385500.

The previous prime is 385493. The next prime is 385519. The reversal of 385501 is 105583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301401 + 84100 = 549^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 385501 - 2³ = 385493 is a prime.

It is a super-2 number, since 2×385501² = 297222042002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192750 + 192751.

It is an arithmetic number, because the mean of its divisors is an integer number (192751).

2³⁸⁵⁵⁰¹ is an apocalyptic number.

It is an amenable number.

385501 is a deficient number, since it is larger than the sum of its proper divisors (1).

385501 is an equidigital number, since it uses as much as digits as its factorization.

385501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 385501 is about 620.8872683507. The cubic root of 385501 is about 72.7794053768.

The spelling of 385501 in words is "three hundred eighty-five thousand, five hundred one".