212052545 has 8 divisors (see below), whose sum is σ = 254976000. Its totient is φ = 169300080.

The previous prime is 212052539. The next prime is 212052563. The reversal of 212052545 is 545250212.

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

It is not a de Polignac number, because 212052545 - 2⁶ = 212052481 is a prime.

It is a super-3 number, since 3×212052545³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40001 + ... + 44990.

It is an arithmetic number, because the mean of its divisors is an integer number (31872000).

Almost surely, 2^212052545 is an apocalyptic number.

It is an amenable number.

212052545 is a deficient number, since it is larger than the sum of its proper divisors (42923455).

212052545 is an equidigital number, since it uses as much as digits as its factorization.

212052545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85495.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 212052545 is about 14562.0240694761. The cubic root of 212052545 is about 596.3224545588.

The spelling of 212052545 in words is "two hundred twelve million, fifty-two thousand, five hundred forty-five".