5251161354 has 16 divisors (see below), whose sum is σ = 10509944160. Its totient is φ = 1749116880.

The previous prime is 5251161317. The next prime is 5251161389. The reversal of 5251161354 is 4531611525.

It is a super-2 number, since 2×5251161354² = 55149391131486226632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308584 + ... + 325155.

It is an arithmetic number, because the mean of its divisors is an integer number (656871510).

Almost surely, 2^5251161354 is an apocalyptic number.

5251161354 is an abundant number, since it is smaller than the sum of its proper divisors (5258782806).

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

5251161354 is a wasteful number, since it uses less digits than its factorization.

5251161354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635125.

The product of its digits is 18000, while the sum is 33.

The square root of 5251161354 is about 72464.8973917717. The cubic root of 5251161354 is about 1738.1414684692.

Adding to 5251161354 its reverse (4531611525), we get a palindrome (9782772879).

The spelling of 5251161354 in words is "five billion, two hundred fifty-one million, one hundred sixty-one thousand, three hundred fifty-four".