25553003389 has 2 divisors, whose sum is σ = 25553003390. Its totient is φ = 25553003388.

The previous prime is 25553003353. The next prime is 25553003393. The reversal of 25553003389 is 98330035552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20852804025 + 4700199364 = 144405^2 + 68558^2 .

It is a cyclic number.

It is not a de Polignac number, because 25553003389 - 2¹³ = 25552995197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25553003339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776501694 + 12776501695.

It is an arithmetic number, because the mean of its divisors is an integer number (12776501695).

Almost surely, 2^25553003389 is an apocalyptic number.

It is an amenable number.

25553003389 is a deficient number, since it is larger than the sum of its proper divisors (1).

25553003389 is an equidigital number, since it uses as much as digits as its factorization.

25553003389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 25553003389 in words is "twenty-five billion, five hundred fifty-three million, three thousand, three hundred eighty-nine".