2500225423021 has 2 divisors, whose sum is σ = 2500225423022. Its totient is φ = 2500225423020.

The previous prime is 2500225422983. The next prime is 2500225423027. The reversal of 2500225423021 is 1203245220052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1900551746025 + 599673676996 = 1378605^2 + 774386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500225423021 is a prime.

It is a super-2 number, since 2×2500225423021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500225423027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250112711510 + 1250112711511.

It is an arithmetic number, because the mean of its divisors is an integer number (1250112711511).

Almost surely, 2^{2500225423021} is an apocalyptic number.

It is an amenable number.

2500225423021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500225423021 is an equidigital number, since it uses as much as digits as its factorization.

2500225423021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 2500225423021 in words is "two trillion, five hundred billion, two hundred twenty-five million, four hundred twenty-three thousand, twenty-one".