2541746321 has 2 divisors, whose sum is σ = 2541746322. Its totient is φ = 2541746320.

The previous prime is 2541746293. The next prime is 2541746351. The reversal of 2541746321 is 1236471452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2158996225 + 382750096 = 46465^2 + 19564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541746321 - 2¹⁴ = 2541729937 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541746351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270873160 + 1270873161.

It is an arithmetic number, because the mean of its divisors is an integer number (1270873161).

Almost surely, 2^2541746321 is an apocalyptic number.

It is an amenable number.

2541746321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541746321 is an equidigital number, since it uses as much as digits as its factorization.

2541746321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 2541746321 is about 50415.7348553009. The cubic root of 2541746321 is about 1364.7216079021.

The spelling of 2541746321 in words is "two billion, five hundred forty-one million, seven hundred forty-six thousand, three hundred twenty-one".