3257361 has 16 divisors (see below), whose sum is σ = 4856320. Its totient is φ = 2157840.

The previous prime is 3257347. The next prime is 3257363. The reversal of 3257361 is 1637523.

It is a happy number.

3257361 is a `hidden beast` number, since 32 + 573 + 61 = 666.

It is not a de Polignac number, because 3257361 - 2⁶ = 3257297 is a prime.

It is a super-2 number, since 2×3257361² = 21220801368642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5751 + ... + 6291.

It is an arithmetic number, because the mean of its divisors is an integer number (303520).

Almost surely, 2^3257361 is an apocalyptic number.

It is an amenable number.

3257361 is a deficient number, since it is larger than the sum of its proper divisors (1598959).

3257361 is a wasteful number, since it uses less digits than its factorization.

3257361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 767 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 3257361 is about 1804.8160571094. The cubic root of 3257361 is about 148.2365495258.

The spelling of 3257361 in words is "three million, two hundred fifty-seven thousand, three hundred sixty-one".