4155497 has 8 divisors (see below), whose sum is σ = 4552200. Its totient is φ = 3775744.

The previous prime is 4155469. The next prime is 4155511. The reversal of 4155497 is 7945514.

It can be written as a sum of positive squares in 4 ways, for example, as 541696 + 3613801 = 736^2 + 1901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4155497 - 2¹⁰ = 4154473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155427) 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 7 ways as a sum of consecutive naturals, for example, 3722 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (569025).

Almost surely, 2^4155497 is an apocalyptic number.

It is an amenable number.

4155497 is a deficient number, since it is larger than the sum of its proper divisors (396703).

4155497 is a wasteful number, since it uses less digits than its factorization.

4155497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475.

The product of its digits is 25200, while the sum is 35.

The square root of 4155497 is about 2038.5036178531. The cubic root of 4155497 is about 160.7709794950.

The spelling of 4155497 in words is "four million, one hundred fifty-five thousand, four hundred ninety-seven".