4975149 has 4 divisors (see below), whose sum is σ = 6633536. Its totient is φ = 3316764.

The previous prime is 4975141. The next prime is 4975151. The reversal of 4975149 is 9415794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4975149 - 2³ = 4975141 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975141) 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 3 ways as a sum of consecutive naturals, for example, 829189 + ... + 829194.

It is an arithmetic number, because the mean of its divisors is an integer number (1658384).

Almost surely, 2^4975149 is an apocalyptic number.

It is an amenable number.

4975149 is a deficient number, since it is larger than the sum of its proper divisors (1658387).

4975149 is a wasteful number, since it uses less digits than its factorization.

4975149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658386.

The product of its digits is 45360, while the sum is 39.

The square root of 4975149 is about 2230.5042030895. The cubic root of 4975149 is about 170.7138266041.

The spelling of 4975149 in words is "four million, nine hundred seventy-five thousand, one hundred forty-nine".