4013775 has 18 divisors (see below), whose sum is σ = 7189520. Its totient is φ = 2140560.

The previous prime is 4013761. The next prime is 4013783. The reversal of 4013775 is 5773104.

It is not a de Polignac number, because 4013775 - 2⁸ = 4013519 is a prime.

It is a super-2 number, since 2×4013775² = 32220779501250, which contains 22 as substring.

4013775 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8695 + ... + 9144.

Almost surely, 2^4013775 is an apocalyptic number.

4013775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4013775 is a deficient number, since it is larger than the sum of its proper divisors (3175745).

4013775 is a wasteful number, since it uses less digits than its factorization.

4013775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17855 (or 17847 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 4013775 is about 2003.4407902406. The cubic root of 4013775 is about 158.9221168347.

Adding to 4013775 its reverse (5773104), we get a palindrome (9786879).

The spelling of 4013775 in words is "four million, thirteen thousand, seven hundred seventy-five".