385677533 has 2 divisors, whose sum is σ = 385677534. Its totient is φ = 385677532.

The previous prime is 385677499. The next prime is 385677557. The reversal of 385677533 is 335776583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379392484 + 6285049 = 19478^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 385677533 - 2²⁶ = 318568669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385677433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192838766 + 192838767.

It is an arithmetic number, because the mean of its divisors is an integer number (192838767).

Almost surely, 2^385677533 is an apocalyptic number.

It is an amenable number.

385677533 is a deficient number, since it is larger than the sum of its proper divisors (1).

385677533 is an equidigital number, since it uses as much as digits as its factorization.

385677533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 47.

The square root of 385677533 is about 19638.6744206426. The cubic root of 385677533 is about 727.9051300569.

The spelling of 385677533 in words is "three hundred eighty-five million, six hundred seventy-seven thousand, five hundred thirty-three".