212547049 has 8 divisors (see below), whose sum is σ = 249705792. Its totient is φ = 178361040.

The previous prime is 212547031. The next prime is 212547059. The reversal of 212547049 is 940745212.

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

It is not a de Polignac number, because 212547049 - 2⁷ = 212546921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212547029) 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, 743029 + ... + 743314.

It is an arithmetic number, because the mean of its divisors is an integer number (31213224).

Almost surely, 2^212547049 is an apocalyptic number.

It is an amenable number.

212547049 is a deficient number, since it is larger than the sum of its proper divisors (37158743).

212547049 is a wasteful number, since it uses less digits than its factorization.

212547049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486367.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 212547049 is about 14578.9934151847. The cubic root of 212547049 is about 596.7856336476.

The spelling of 212547049 in words is "two hundred twelve million, five hundred forty-seven thousand, forty-nine".