245452212 has 18 divisors (see below), whose sum is σ = 620448738. Its totient is φ = 81817392.

The previous prime is 245452187. The next prime is 245452217. The reversal of 245452212 is 212254542.

245452212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 245047716 + 404496 = 15654^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245452217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3409023 + ... + 3409094.

Almost surely, 2^245452212 is an apocalyptic number.

It is an amenable number.

245452212 is an abundant number, since it is smaller than the sum of its proper divisors (374996526).

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

245452212 is a wasteful number, since it uses less digits than its factorization.

245452212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818127 (or 6818122 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 245452212 is about 15666.9145654146. The cubic root of 245452212 is about 626.1172226185.

The spelling of 245452212 in words is "two hundred forty-five million, four hundred fifty-two thousand, two hundred twelve".