254331152542387 has 2 divisors, whose sum is σ = 254331152542388. Its totient is φ = 254331152542386.

The previous prime is 254331152542321. The next prime is 254331152542457. The reversal of 254331152542387 is 783245251133452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254331152542387 - 2²⁷ = 254331018324659 is a prime.

It is not a weakly prime, because it can be changed into another prime (254331152542307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127165576271193 + 127165576271194.

It is an arithmetic number, because the mean of its divisors is an integer number (127165576271194).

Almost surely, 2^{254331152542387} is an apocalyptic number.

254331152542387 is a deficient number, since it is larger than the sum of its proper divisors (1).

254331152542387 is an equidigital number, since it uses as much as digits as its factorization.

254331152542387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192000, while the sum is 55.

The spelling of 254331152542387 in words is "two hundred fifty-four trillion, three hundred thirty-one billion, one hundred fifty-two million, five hundred forty-two thousand, three hundred eighty-seven".