5215430100 has 72 divisors (see below), whose sum is σ = 15186229408. Its totient is φ = 1381910400.

The previous prime is 5215430089. The next prime is 5215430123. The reversal of 5215430100 is 10345125.

It is a super-2 number, since 2×5215430100² = 54401422255972020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8266 + ... + 102465.

Almost surely, 2^5215430100 is an apocalyptic number.

5215430100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215430100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7593114704).

5215430100 is an abundant number, since it is smaller than the sum of its proper divisors (9970799308).

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

5215430100 is a wasteful number, since it uses less digits than its factorization.

5215430100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110905 (or 110898 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 5215430100 is about 72217.9347530792. The cubic root of 5215430100 is about 1734.1901282697.

Adding to 5215430100 its reverse (10345125), we get a palindrome (5225775225).

The spelling of 5215430100 in words is "five billion, two hundred fifteen million, four hundred thirty thousand, one hundred".