1253055547 has 2 divisors, whose sum is σ = 1253055548. Its totient is φ = 1253055546.

The previous prime is 1253055541. The next prime is 1253055563. The reversal of 1253055547 is 7455503521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253055547 - 2³ = 1253055539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253055541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626527773 + 626527774.

It is an arithmetic number, because the mean of its divisors is an integer number (626527774).

Almost surely, 2^1253055547 is an apocalyptic number.

1253055547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253055547 is an equidigital number, since it uses as much as digits as its factorization.

1253055547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 1253055547 is about 35398.5246443973. The cubic root of 1253055547 is about 1078.0943609939.

The spelling of 1253055547 in words is "one billion, two hundred fifty-three million, fifty-five thousand, five hundred forty-seven".