234212425 has 12 divisors (see below), whose sum is σ = 290977036. Its totient is φ = 187012800.

The previous prime is 234212387. The next prime is 234212437. The reversal of 234212425 is 524212432.

It can be written as a sum of positive squares in 6 ways, for example, as 9 + 234212416 = 3^2 + 15304^2 .

It is not a de Polignac number, because 234212425 - 2¹³ = 234204233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234212425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4867 + ... + 22183.

Almost surely, 2^234212425 is an apocalyptic number.

234212425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234212425 is a deficient number, since it is larger than the sum of its proper divisors (56764611).

234212425 is a wasteful number, since it uses less digits than its factorization.

234212425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17868 (or 17863 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 234212425 is about 15304.0002940408. Note that the first 3 decimals coincide. The cubic root of 234212425 is about 616.4104275891.

Adding to 234212425 its reverse (524212432), we get a palindrome (758424857).

The spelling of 234212425 in words is "two hundred thirty-four million, two hundred twelve thousand, four hundred twenty-five".