7261541901 has 6 divisors (see below), whose sum is σ = 10488893870. Its totient is φ = 4841027928.

The previous prime is 7261541887. The next prime is 7261541953. The reversal of 7261541901 is 1091451627.

7261541901 is a `hidden beast` number, since 7 + 26 + 1 + 541 + 90 + 1 = 666.

7261541901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6300231876 + 961310025 = 79374^2 + 31005^2 .

It is not a de Polignac number, because 7261541901 - 2⁹ = 7261541389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261541701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403418986 + ... + 403419003.

Almost surely, 2^7261541901 is an apocalyptic number.

It is an amenable number.

7261541901 is a deficient number, since it is larger than the sum of its proper divisors (3227351969).

7261541901 is a wasteful number, since it uses less digits than its factorization.

7261541901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806837995 (or 806837992 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7261541901 is about 85214.6812527043. The cubic root of 7261541901 is about 1936.4648395640.

The spelling of 7261541901 in words is "seven billion, two hundred sixty-one million, five hundred forty-one thousand, nine hundred one".