2007541421 has 2 divisors, whose sum is σ = 2007541422. Its totient is φ = 2007541420.

The previous prime is 2007541357. The next prime is 2007541427. The reversal of 2007541421 is 1241457002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005785796 + 1755625 = 44786^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007541421 - 2⁶ = 2007541357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2007541427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003770710 + 1003770711.

It is an arithmetic number, because the mean of its divisors is an integer number (1003770711).

Almost surely, 2^2007541421 is an apocalyptic number.

It is an amenable number.

2007541421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007541421 is an equidigital number, since it uses as much as digits as its factorization.

2007541421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2007541421 is about 44805.5958670343. The cubic root of 2007541421 is about 1261.5026628000.

Adding to 2007541421 its reverse (1241457002), we get a palindrome (3248998423).

The spelling of 2007541421 in words is "two billion, seven million, five hundred forty-one thousand, four hundred twenty-one".