3621011 has 2 divisors, whose sum is σ = 3621012. Its totient is φ = 3621010.

The previous prime is 3620999. The next prime is 3621031. The reversal of 3621011 is 1101263.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621011 is a prime.

It is a super-2 number, since 2×3621011² = 26223441324242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3621031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810505 + 1810506.

It is an arithmetic number, because the mean of its divisors is an integer number (1810506).

Almost surely, 2^3621011 is an apocalyptic number.

3621011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621011 is an equidigital number, since it uses as much as digits as its factorization.

3621011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3621011 is about 1902.8954253978. The cubic root of 3621011 is about 153.5594736064.

Adding to 3621011 its reverse (1101263), we get a palindrome (4722274).

The spelling of 3621011 in words is "three million, six hundred twenty-one thousand, eleven".