4815261 has 32 divisors (see below), whose sum is σ = 8048640. Its totient is φ = 2818800.

The previous prime is 4815259. The next prime is 4815281. The reversal of 4815261 is 1625184.

It is not a de Polignac number, because 4815261 - 2¹ = 4815259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4815221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8946 + ... + 9468.

It is an arithmetic number, because the mean of its divisors is an integer number (251520).

Almost surely, 2^4815261 is an apocalyptic number.

It is an amenable number.

4815261 is a deficient number, since it is larger than the sum of its proper divisors (3233379).

4815261 is a wasteful number, since it uses less digits than its factorization.

4815261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 568 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 4815261 is about 2194.3702969189. The cubic root of 4815261 is about 168.8651165146.

The spelling of 4815261 in words is "four million, eight hundred fifteen thousand, two hundred sixty-one".