2541454397 has 2 divisors, whose sum is σ = 2541454398. Its totient is φ = 2541454396.

The previous prime is 2541454393. The next prime is 2541454403. The reversal of 2541454397 is 7934541452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2529989401 + 11464996 = 50299^2 + 3386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541454397 - 2² = 2541454393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541454393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270727198 + 1270727199.

It is an arithmetic number, because the mean of its divisors is an integer number (1270727199).

Almost surely, 2^2541454397 is an apocalyptic number.

It is an amenable number.

2541454397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541454397 is an equidigital number, since it uses as much as digits as its factorization.

2541454397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 2541454397 is about 50412.8396046087. The cubic root of 2541454397 is about 1364.6693590158.

The spelling of 2541454397 in words is "two billion, five hundred forty-one million, four hundred fifty-four thousand, three hundred ninety-seven".