214545425 has 24 divisors (see below), whose sum is σ = 275383416. Its totient is φ = 165680640.

The previous prime is 214545421. The next prime is 214545437. The reversal of 214545425 is 524545412.

It can be written as a sum of positive squares in 12 ways, for example, as 21641104 + 192904321 = 4652^2 + 13889^2 .

It is not a de Polignac number, because 214545425 - 2² = 214545421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214545391 and 214545400.

It is not an unprimeable number, because it can be changed into a prime (214545421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125879 + ... + 127571.

It is an arithmetic number, because the mean of its divisors is an integer number (11474309).

Almost surely, 2^214545425 is an apocalyptic number.

214545425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214545425 is a deficient number, since it is larger than the sum of its proper divisors (60837991).

214545425 is a wasteful number, since it uses less digits than its factorization.

214545425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1872 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 214545425 is about 14647.3692177128. The cubic root of 214545425 is about 598.6501366888.

The spelling of 214545425 in words is "two hundred fourteen million, five hundred forty-five thousand, four hundred twenty-five".