5161278 has 32 divisors (see below), whose sum is σ = 10790784. Its totient is φ = 1644192.

The previous prime is 5161267. The next prime is 5161291. The reversal of 5161278 is 8721615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14701 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (337212).

Almost surely, 2^5161278 is an apocalyptic number.

5161278 is an abundant number, since it is smaller than the sum of its proper divisors (5629506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161278 is a wasteful number, since it uses less digits than its factorization.

5161278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 3360, while the sum is 30.

The square root of 5161278 is about 2271.8446249689. The cubic root of 5161278 is about 172.8167170255.

The spelling of 5161278 in words is "five million, one hundred sixty-one thousand, two hundred seventy-eight".