3523651 has 2 divisors, whose sum is σ = 3523652. Its totient is φ = 3523650.

The previous prime is 3523649. The next prime is 3523691. The reversal of 3523651 is 1563253.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1563253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3523651 - 2¹ = 3523649 is a prime.

It is a super-2 number, since 2×3523651² = 24832232739602, which contains 22 as substring.

Together with 3523649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3523691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761825 + 1761826.

It is an arithmetic number, because the mean of its divisors is an integer number (1761826).

Almost surely, 2^3523651 is an apocalyptic number.

3523651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3523651 is an equidigital number, since it uses as much as digits as its factorization.

3523651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 3523651 is about 1877.1390465280. The cubic root of 3523651 is about 152.1706733614.

The spelling of 3523651 in words is "three million, five hundred twenty-three thousand, six hundred fifty-one".