5161907 has 4 divisors (see below), whose sum is σ = 5301456. Its totient is φ = 5022360.

The previous prime is 5161879. The next prime is 5161909. The reversal of 5161907 is 7091615.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5161907 - 2⁶ = 5161843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5161907.

It is not an unprimeable number, because it can be changed into a prime (5161909) 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, 69719 + ... + 69792.

It is an arithmetic number, because the mean of its divisors is an integer number (1325364).

Almost surely, 2^5161907 is an apocalyptic number.

5161907 is a deficient number, since it is larger than the sum of its proper divisors (139549).

5161907 is a wasteful number, since it uses less digits than its factorization.

5161907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139548.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 5161907 is about 2271.9830545143. The cubic root of 5161907 is about 172.8237370762.

The spelling of 5161907 in words is "five million, one hundred sixty-one thousand, nine hundred seven".