215130513 has 8 divisors (see below), whose sum is σ = 308905408. Its totient is φ = 132387984.

The previous prime is 215130499. The next prime is 215130547. The reversal of 215130513 is 315031512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215130513 - 2¹⁴ = 215114129 is a prime.

It is a super-2 number, since 2×215130513² = 92562275247286338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215130513.

It is not an unprimeable number, because it can be changed into a prime (215130583) 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, 2758045 + ... + 2758122.

It is an arithmetic number, because the mean of its divisors is an integer number (38613176).

Almost surely, 2^215130513 is an apocalyptic number.

It is an amenable number.

215130513 is a deficient number, since it is larger than the sum of its proper divisors (93774895).

215130513 is a wasteful number, since it uses less digits than its factorization.

215130513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516183.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 215130513 is about 14667.3280797833. The cubic root of 215130513 is about 599.1938367643.

Subtracting 215130513 from its reverse (315031512), we obtain a palindrome (99900999).

The spelling of 215130513 in words is "two hundred fifteen million, one hundred thirty thousand, five hundred thirteen".