3674521 has 2 divisors, whose sum is σ = 3674522. Its totient is φ = 3674520.

The previous prime is 3674459. The next prime is 3674537. The reversal of 3674521 is 1254763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 698896 = 1725^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 3674521 - 2¹⁵ = 3641753 is a prime.

It is an alternating number because its digits alternate between odd and even.

3674521 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3674521.

It is not a weakly prime, because it can be changed into another prime (3674591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1837260 + 1837261.

It is an arithmetic number, because the mean of its divisors is an integer number (1837261).

Almost surely, 2^3674521 is an apocalyptic number.

It is an amenable number.

3674521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3674521 is an equidigital number, since it uses as much as digits as its factorization.

3674521 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3674521 is about 1916.9040142897. The cubic root of 3674521 is about 154.3121934679.

The spelling of 3674521 in words is "three million, six hundred seventy-four thousand, five hundred twenty-one".