215012484 has 36 divisors (see below), whose sum is σ = 545534080. Its totient is φ = 71403120.

The previous prime is 215012477. The next prime is 215012491. The reversal of 215012484 is 484210512.

It is an interprime number because it is at equal distance from previous prime (215012477) and next prime (215012491).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1264 + ... + 20775.

Almost surely, 2^215012484 is an apocalyptic number.

It is an amenable number.

215012484 is an abundant number, since it is smaller than the sum of its proper divisors (330521596).

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

215012484 is a wasteful number, since it uses less digits than its factorization.

215012484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22320 (or 22315 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 215012484 is about 14663.3039933025. The cubic root of 215012484 is about 599.0842363393.

Adding to 215012484 its reverse (484210512), we get a palindrome (699222996).

It can be divided in two parts, 215012 and 484, that added together give a triangular number (215496 = T₆₅₆).

The spelling of 215012484 in words is "two hundred fifteen million, twelve thousand, four hundred eighty-four".