5254189278 has 64 divisors (see below), whose sum is σ = 11638674432. Its totient is φ = 1570993920.

The previous prime is 5254189277. The next prime is 5254189279. The reversal of 5254189278 is 8729814525.

It is an interprime number because it is at equal distance from previous prime (5254189277) and next prime (5254189279).

It is a super-2 number, since 2×5254189278² = 55213009938100322568, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5254189278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5254189271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837951 + ... + 844197.

It is an arithmetic number, because the mean of its divisors is an integer number (181854288).

Almost surely, 2^5254189278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5254189278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5819337216).

5254189278 is an abundant number, since it is smaller than the sum of its proper divisors (6384485154).

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

5254189278 is a wasteful number, since it uses less digits than its factorization.

5254189278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569.

The product of its digits is 1612800, while the sum is 51.

The square root of 5254189278 is about 72485.7867309171. The cubic root of 5254189278 is about 1738.4754865819.

The spelling of 5254189278 in words is "five billion, two hundred fifty-four million, one hundred eighty-nine thousand, two hundred seventy-eight".