3621461 has 2 divisors, whose sum is σ = 3621462. Its totient is φ = 3621460.

The previous prime is 3621403. The next prime is 3621463. The reversal of 3621461 is 1641263.

It is a happy number.

3621461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3587236 + 34225 = 1894^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 3621461 - 2¹⁰ = 3620437 is a prime.

It is a super-2 number, since 2×3621461² = 26229959549042, which contains 22 as substring.

Together with 3621463, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹³ + 6⁷ + 2¹¹ + 1 + 4⁸ + 6⁸ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810730 + 1810731.

It is an arithmetic number, because the mean of its divisors is an integer number (1810731).

Almost surely, 2^3621461 is an apocalyptic number.

It is an amenable number.

3621461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621461 is an equidigital number, since it uses as much as digits as its factorization.

3621461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 3621461 is about 1903.0136625889. The cubic root of 3621461 is about 153.5658345280.

The spelling of 3621461 in words is "three million, six hundred twenty-one thousand, four hundred sixty-one".