2500320553 has 2 divisors, whose sum is σ = 2500320554. Its totient is φ = 2500320552.

The previous prime is 2500320541. The next prime is 2500320569. The reversal of 2500320553 is 3550230052.

2500320553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2489211664 + 11108889 = 49892^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500320553 - 2¹³ = 2500312361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500320583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250160276 + 1250160277.

It is an arithmetic number, because the mean of its divisors is an integer number (1250160277).

Almost surely, 2^2500320553 is an apocalyptic number.

It is an amenable number.

2500320553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500320553 is an equidigital number, since it uses as much as digits as its factorization.

2500320553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 2500320553 is about 50003.2054272524. The cubic root of 2500320553 is about 1357.2668134657.

The spelling of 2500320553 in words is "two billion, five hundred million, three hundred twenty thousand, five hundred fifty-three".