3528961 has 2 divisors, whose sum is σ = 3528962. Its totient is φ = 3528960.

The previous prime is 3528907. The next prime is 3528989. The reversal of 3528961 is 1698253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3352561 + 176400 = 1831^2 + 420^2 .

It is an emirp because it is prime and its reverse (1698253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3528961 - 2²¹ = 1431809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3528991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1764480 + 1764481.

It is an arithmetic number, because the mean of its divisors is an integer number (1764481).

Almost surely, 2^3528961 is an apocalyptic number.

It is an amenable number.

3528961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3528961 is an equidigital number, since it uses as much as digits as its factorization.

3528961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 3528961 is about 1878.5529005061. The cubic root of 3528961 is about 152.2470733536.

It can be divided in two parts, 3528 and 961, that added together give a square (4489 = 67²).

The spelling of 3528961 in words is "three million, five hundred twenty-eight thousand, nine hundred sixty-one".