25552752947 has 2 divisors, whose sum is σ = 25552752948. Its totient is φ = 25552752946.

The previous prime is 25552752937. The next prime is 25552752983. The reversal of 25552752947 is 74925725552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25552752947 is a prime.

It is not a weakly prime, because it can be changed into another prime (25552752937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776376473 + 12776376474.

It is an arithmetic number, because the mean of its divisors is an integer number (12776376474).

Almost surely, 2^25552752947 is an apocalyptic number.

25552752947 is a deficient number, since it is larger than the sum of its proper divisors (1).

25552752947 is an equidigital number, since it uses as much as digits as its factorization.

25552752947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820000, while the sum is 53.

The spelling of 25552752947 in words is "twenty-five billion, five hundred fifty-two million, seven hundred fifty-two thousand, nine hundred forty-seven".