3641257 has 8 divisors (see below), whose sum is σ = 3719520. Its totient is φ = 3564000.

The previous prime is 3641243. The next prime is 3641263. The reversal of 3641257 is 7521463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3641257 - 2¹⁵ = 3608489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3641237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14382 + ... + 14632.

It is an arithmetic number, because the mean of its divisors is an integer number (464940).

Almost surely, 2^3641257 is an apocalyptic number.

It is an amenable number.

3641257 is a deficient number, since it is larger than the sum of its proper divisors (78263).

3641257 is a wasteful number, since it uses less digits than its factorization.

3641257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its digits is 5040, while the sum is 28.

The square root of 3641257 is about 1908.2077979088. The cubic root of 3641257 is about 153.8451386407.

The spelling of 3641257 in words is "three million, six hundred forty-one thousand, two hundred fifty-seven".