214420325 has 36 divisors (see below), whose sum is σ = 312228900. Its totient is φ = 145635840.

The previous prime is 214420321. The next prime is 214420333. The reversal of 214420325 is 523024412.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 58644964 + 155775361 = 7658^2 + 12481^2 .

It is not a de Polignac number, because 214420325 - 2² = 214420321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 214420325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214420321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137651 + ... + 139199.

It is an arithmetic number, because the mean of its divisors is an integer number (8673025).

Almost surely, 2^214420325 is an apocalyptic number.

214420325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214420325 is a deficient number, since it is larger than the sum of its proper divisors (97808575).

214420325 is a wasteful number, since it uses less digits than its factorization.

214420325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 214420325 is about 14643.0982035907. The cubic root of 214420325 is about 598.5337577712.

Adding to 214420325 its reverse (523024412), we get a palindrome (737444737).

The spelling of 214420325 in words is "two hundred fourteen million, four hundred twenty thousand, three hundred twenty-five".