3671523 has 6 divisors (see below), whose sum is σ = 5303324. Its totient is φ = 2447676.

The previous prime is 3671501. The next prime is 3671527. The reversal of 3671523 is 3251763.

It is a happy number.

It is not a de Polignac number, because 3671523 - 2⁸ = 3671267 is a prime.

It is a super-2 number, since 2×3671523² = 26960162279058, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁵ + 6⁸ + 7⁵ + 1 + 5⁹ + 2¹¹ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3671527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203965 + ... + 203982.

Almost surely, 2^3671523 is an apocalyptic number.

3671523 is a deficient number, since it is larger than the sum of its proper divisors (1631801).

3671523 is a wasteful number, since it uses less digits than its factorization.

3671523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407953 (or 407950 counting only the distinct ones).

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

The square root of 3671523 is about 1916.1218646005. The cubic root of 3671523 is about 154.2702148598.

The spelling of 3671523 in words is "three million, six hundred seventy-one thousand, five hundred twenty-three".