320235425 has 12 divisors (see below), whose sum is σ = 409902336. Its totient is φ = 247923600.

The previous prime is 320235401. The next prime is 320235437. The reversal of 320235425 is 524532023.

320235425 = T₅₀₄₉ + T₅₀₅₀ + ... + T₅₀₇₃.

It is not a de Polignac number, because 320235425 - 2⁶ = 320235361 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 320235394 and 320235403.

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, 205829 + ... + 207378.

It is an arithmetic number, because the mean of its divisors is an integer number (34158528).

Almost surely, 2^320235425 is an apocalyptic number.

It is an amenable number.

320235425 is a deficient number, since it is larger than the sum of its proper divisors (89666911).

320235425 is a wasteful number, since it uses less digits than its factorization.

320235425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413248 (or 413243 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 320235425 is about 17895.1229389462. The cubic root of 320235425 is about 684.1580755054.

Adding to 320235425 its reverse (524532023), we get a palindrome (844767448).

The spelling of 320235425 in words is "three hundred twenty million, two hundred thirty-five thousand, four hundred twenty-five".