3256425 has 36 divisors (see below), whose sum is σ = 5991804. Its totient is φ = 1689600.

The previous prime is 3256423. The next prime is 3256427. The reversal of 3256425 is 5246523.

It is an interprime number because it is at equal distance from previous prime (3256423) and next prime (3256427).

It can be written as a sum of positive squares in 6 ways, for example, as 670761 + 2585664 = 819^2 + 1608^2 .

It is not a de Polignac number, because 3256425 - 2¹ = 3256423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256423) 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, 9049 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (166439).

Almost surely, 2^3256425 is an apocalyptic number.

It is an amenable number.

3256425 is a deficient number, since it is larger than the sum of its proper divisors (2735379).

3256425 is a wasteful number, since it uses less digits than its factorization.

3256425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 402 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 3256425 is about 1804.5567322753. The cubic root of 3256425 is about 148.2223496155. Note that the first 3 decimals are identical.

The spelling of 3256425 in words is "three million, two hundred fifty-six thousand, four hundred twenty-five".