3528631 has 2 divisors, whose sum is σ = 3528632. Its totient is φ = 3528630.

The previous prime is 3528607. The next prime is 3528641. The reversal of 3528631 is 1368253.

It is a strong prime.

It is an emirp because it is prime and its reverse (1368253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3528631 - 2¹¹ = 3526583 is a prime.

It is a super-2 number, since 2×3528631² = 24902473468322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3528631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3528641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1764315 + 1764316.

It is an arithmetic number, because the mean of its divisors is an integer number (1764316).

Almost surely, 2^3528631 is an apocalyptic number.

3528631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3528631 is an equidigital number, since it uses as much as digits as its factorization.

3528631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 3528631 is about 1878.4650648868. The cubic root of 3528631 is about 152.2423275658.

The spelling of 3528631 in words is "three million, five hundred twenty-eight thousand, six hundred thirty-one".