4961155 has 4 divisors (see below), whose sum is σ = 5953392. Its totient is φ = 3968920.

The previous prime is 4961141. The next prime is 4961183. The reversal of 4961155 is 5511694.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4961155 - 2⁷ = 4961027 is a prime.

It is a super-2 number, since 2×4961155² = 49226117868050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4961155 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496111 + ... + 496120.

It is an arithmetic number, because the mean of its divisors is an integer number (1488348).

Almost surely, 2^4961155 is an apocalyptic number.

4961155 is a deficient number, since it is larger than the sum of its proper divisors (992237).

4961155 is an equidigital number, since it uses as much as digits as its factorization.

4961155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992236.

The product of its digits is 5400, while the sum is 31.

The square root of 4961155 is about 2227.3650351929. The cubic root of 4961155 is about 170.5536161476.

The spelling of 4961155 in words is "four million, nine hundred sixty-one thousand, one hundred fifty-five".