4261551001 has 2 divisors, whose sum is σ = 4261551002. Its totient is φ = 4261551000.

The previous prime is 4261550989. The next prime is 4261551011. The reversal of 4261551001 is 1001551624.

It is a happy number.

4261551001 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., 3523016025 + 738534976 = 59355^2 + 27176^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261551001 - 2²³ = 4253162393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4261551011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130775500 + 2130775501.

It is an arithmetic number, because the mean of its divisors is an integer number (2130775501).

Almost surely, 2^4261551001 is an apocalyptic number.

It is an amenable number.

4261551001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261551001 is an equidigital number, since it uses as much as digits as its factorization.

4261551001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 4261551001 is about 65280.5560714674. The cubic root of 4261551001 is about 1621.2720539136.

The spelling of 4261551001 in words is "four billion, two hundred sixty-one million, five hundred fifty-one thousand, one".