1238853547 has 2 divisors, whose sum is σ = 1238853548. Its totient is φ = 1238853546.

The previous prime is 1238853481. The next prime is 1238853557. The reversal of 1238853547 is 7453588321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1238853547 - 2¹¹ = 1238851499 is a prime.

It is a super-2 number, since 2×1238853547² = 3069516221828962418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1238853497 and 1238853506.

It is not a weakly prime, because it can be changed into another prime (1238853557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619426773 + 619426774.

It is an arithmetic number, because the mean of its divisors is an integer number (619426774).

Almost surely, 2^1238853547 is an apocalyptic number.

1238853547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238853547 is an equidigital number, since it uses as much as digits as its factorization.

1238853547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The square root of 1238853547 is about 35197.3514202418. The cubic root of 1238853547 is about 1074.0058729408.

The spelling of 1238853547 in words is "one billion, two hundred thirty-eight million, eight hundred fifty-three thousand, five hundred forty-seven".