3001542421 has 2 divisors, whose sum is σ = 3001542422. Its totient is φ = 3001542420.

The previous prime is 3001542413. The next prime is 3001542463. The reversal of 3001542421 is 1242451003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1512354321 + 1489188100 = 38889^2 + 38590^2 .

It is a cyclic number.

It is not a de Polignac number, because 3001542421 - 2³ = 3001542413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3001542392 and 3001542401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3001542521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500771210 + 1500771211.

It is an arithmetic number, because the mean of its divisors is an integer number (1500771211).

Almost surely, 2^3001542421 is an apocalyptic number.

It is an amenable number.

3001542421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3001542421 is an equidigital number, since it uses as much as digits as its factorization.

3001542421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3001542421 is about 54786.3342540820. The cubic root of 3001542421 is about 1442.4967008506.

Adding to 3001542421 its reverse (1242451003), we get a palindrome (4243993424).

The spelling of 3001542421 in words is "three billion, one million, five hundred forty-two thousand, four hundred twenty-one".