2254917547 has 2 divisors, whose sum is σ = 2254917548. Its totient is φ = 2254917546.

The previous prime is 2254917503. The next prime is 2254917557. The reversal of 2254917547 is 7457194522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2254917547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2254917497 and 2254917506.

It is not a weakly prime, because it can be changed into another prime (2254917557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127458773 + 1127458774.

It is an arithmetic number, because the mean of its divisors is an integer number (1127458774).

Almost surely, 2^2254917547 is an apocalyptic number.

2254917547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254917547 is an equidigital number, since it uses as much as digits as its factorization.

2254917547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 2254917547 is about 47485.9721075604. The cubic root of 2254917547 is about 1311.3246409123.

The spelling of 2254917547 in words is "two billion, two hundred fifty-four million, nine hundred seventeen thousand, five hundred forty-seven".