6121541 has 2 divisors, whose sum is σ = 6121542. Its totient is φ = 6121540.

The previous prime is 6121537. The next prime is 6121543. The reversal of 6121541 is 1451216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3076516 + 3045025 = 1754^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121541 - 2² = 6121537 is a prime.

Together with 6121543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6121543) 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, 3060770 + 3060771.

It is an arithmetic number, because the mean of its divisors is an integer number (3060771).

Almost surely, 2^6121541 is an apocalyptic number.

It is an amenable number.

6121541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121541 is an equidigital number, since it uses as much as digits as its factorization.

6121541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 6121541 is about 2474.1748119323. The cubic root of 6121541 is about 182.9308367340.

Adding to 6121541 its reverse (1451216), we get a palindrome (7572757).

The spelling of 6121541 in words is "six million, one hundred twenty-one thousand, five hundred forty-one".