5131219254 has 64 divisors (see below), whose sum is σ = 12013478400. Its totient is φ = 1430846208.

The previous prime is 5131219253. The next prime is 5131219267. The reversal of 5131219254 is 4529121315.

It is a happy number.

It is a super-2 number, since 2×5131219254² = 52658822065240633032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131219253) 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, 298362 + ... + 315090.

It is an arithmetic number, because the mean of its divisors is an integer number (187710600).

Almost surely, 2^5131219254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131219254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6006739200).

5131219254 is an abundant number, since it is smaller than the sum of its proper divisors (6882259146).

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

5131219254 is a wasteful number, since it uses less digits than its factorization.

5131219254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16917.

The product of its digits is 10800, while the sum is 33.

The square root of 5131219254 is about 71632.5293005908. The cubic root of 5131219254 is about 1724.8057476703.

The spelling of 5131219254 in words is "five billion, one hundred thirty-one million, two hundred nineteen thousand, two hundred fifty-four".