385500413 has 2 divisors, whose sum is σ = 385500414. Its totient is φ = 385500412.

The previous prime is 385500397. The next prime is 385500463. The reversal of 385500413 is 314005583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228674884 + 156825529 = 15122^2 + 12523^2 .

It is a cyclic number.

It is not a de Polignac number, because 385500413 - 2⁴ = 385500397 is a prime.

It is a super-2 number, since 2×385500413² = 297221136846341138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385500463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192750206 + 192750207.

It is an arithmetic number, because the mean of its divisors is an integer number (192750207).

Almost surely, 2^385500413 is an apocalyptic number.

It is an amenable number.

385500413 is a deficient number, since it is larger than the sum of its proper divisors (1).

385500413 is an equidigital number, since it uses as much as digits as its factorization.

385500413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 385500413 is about 19634.1644334563. The cubic root of 385500413 is about 727.7936843655.

Adding to 385500413 its reverse (314005583), we get a palindrome (699505996).

The spelling of 385500413 in words is "three hundred eighty-five million, five hundred thousand, four hundred thirteen".