741540061 has 2 divisors, whose sum is σ = 741540062. Its totient is φ = 741540060.

The previous prime is 741540053. The next prime is 741540073. The reversal of 741540061 is 160045147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535043161 + 206496900 = 23131^2 + 14370^2 .

It is a cyclic number.

It is not a de Polignac number, because 741540061 - 2³ = 741540053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (741540091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370770030 + 370770031.

It is an arithmetic number, because the mean of its divisors is an integer number (370770031).

Almost surely, 2^741540061 is an apocalyptic number.

It is an amenable number.

741540061 is a deficient number, since it is larger than the sum of its proper divisors (1).

741540061 is an equidigital number, since it uses as much as digits as its factorization.

741540061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 741540061 is about 27231.2331891158. The cubic root of 741540061 is about 905.1312085537.

The spelling of 741540061 in words is "seven hundred forty-one million, five hundred forty thousand, sixty-one".