214429025 has 6 divisors (see below), whose sum is σ = 265892022. Its totient is φ = 171543200.

The previous prime is 214429013. The next prime is 214429031. The reversal of 214429025 is 520924412.

It can be written as a sum of positive squares in 3 ways, for example, as 10995856 + 203433169 = 3316^2 + 14263^2 .

It is not a de Polignac number, because 214429025 - 2⁴ = 214429009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4288556 + ... + 4288605.

It is an arithmetic number, because the mean of its divisors is an integer number (44315337).

Almost surely, 2^214429025 is an apocalyptic number.

214429025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214429025 is a deficient number, since it is larger than the sum of its proper divisors (51462997).

214429025 is an equidigital number, since it uses as much as digits as its factorization.

214429025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577171 (or 8577166 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 214429025 is about 14643.3952688576. The cubic root of 214429025 is about 598.5418527334.

The spelling of 214429025 in words is "two hundred fourteen million, four hundred twenty-nine thousand, twenty-five".