4251420541 has 2 divisors, whose sum is σ = 4251420542. Its totient is φ = 4251420540.

The previous prime is 4251420529. The next prime is 4251420577. The reversal of 4251420541 is 1450241524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2679615225 + 1571805316 = 51765^2 + 39646^2 .

It is a cyclic number.

It is not a de Polignac number, because 4251420541 - 2⁹ = 4251420029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4251420581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125710270 + 2125710271.

It is an arithmetic number, because the mean of its divisors is an integer number (2125710271).

Almost surely, 2^4251420541 is an apocalyptic number.

It is an amenable number.

4251420541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4251420541 is an equidigital number, since it uses as much as digits as its factorization.

4251420541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4251420541 is about 65202.9181938968. The cubic root of 4251420541 is about 1619.9863511780.

The spelling of 4251420541 in words is "four billion, two hundred fifty-one million, four hundred twenty thousand, five hundred forty-one".