7913155 has 16 divisors (see below), whose sum is σ = 9805824. Its totient is φ = 6127200.

The previous prime is 7913117. The next prime is 7913159. The reversal of 7913155 is 5513197.

7913155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7913155 - 2¹⁵ = 7880387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7913159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35374 + ... + 35596.

It is an arithmetic number, because the mean of its divisors is an integer number (612864).

Almost surely, 2^7913155 is an apocalyptic number.

7913155 is a deficient number, since it is larger than the sum of its proper divisors (1892669).

7913155 is a wasteful number, since it uses less digits than its factorization.

7913155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its digits is 4725, while the sum is 31.

The square root of 7913155 is about 2813.0330605949. The cubic root of 7913155 is about 199.2736569892.

The spelling of 7913155 in words is "seven million, nine hundred thirteen thousand, one hundred fifty-five".