212573487 has 8 divisors (see below), whose sum is σ = 323921536. Its totient is φ = 121470552.

The previous prime is 212573483. The next prime is 212573497. The reversal of 212573487 is 784375212.

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

It is not a de Polignac number, because 212573487 - 2² = 212573483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212573483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5061253 + ... + 5061294.

It is an arithmetic number, because the mean of its divisors is an integer number (40490192).

Almost surely, 2^212573487 is an apocalyptic number.

212573487 is a deficient number, since it is larger than the sum of its proper divisors (111348049).

212573487 is a wasteful number, since it uses less digits than its factorization.

212573487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122557.

The product of its digits is 94080, while the sum is 39.

The square root of 212573487 is about 14579.9001025384. The cubic root of 212573487 is about 596.8103766626.

The spelling of 212573487 in words is "two hundred twelve million, five hundred seventy-three thousand, four hundred eighty-seven".