5215530 has 16 divisors (see below), whose sum is σ = 12517344. Its totient is φ = 1390800.

The previous prime is 5215517. The next prime is 5215537. The reversal of 5215530 is 355125.

It is a junction number, because it is equal to n+sod(n) for n = 5215497 and 5215506.

It is not an unprimeable number, because it can be changed into a prime (5215537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86896 + ... + 86955.

It is an arithmetic number, because the mean of its divisors is an integer number (782334).

Almost surely, 2^5215530 is an apocalyptic number.

5215530 is an abundant number, since it is smaller than the sum of its proper divisors (7301814).

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

5215530 is a wasteful number, since it uses less digits than its factorization.

5215530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173861.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 5215530 is about 2283.7534893241. The cubic root of 5215530 is about 173.4201200830.

The spelling of 5215530 in words is "five million, two hundred fifteen thousand, five hundred thirty".