2025454521977 has 2 divisors, whose sum is σ = 2025454521978. Its totient is φ = 2025454521976.

The previous prime is 2025454521949. The next prime is 2025454522019. The reversal of 2025454521977 is 7791254545202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1617058116496 + 408396405481 = 1271636^2 + 639059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025454521977 - 2¹⁴ = 2025454505593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2025454521947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012727260988 + 1012727260989.

It is an arithmetic number, because the mean of its divisors is an integer number (1012727260989).

Almost surely, 2^{2025454521977} is an apocalyptic number.

It is an amenable number.

2025454521977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025454521977 is an equidigital number, since it uses as much as digits as its factorization.

2025454521977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 2025454521977 in words is "two trillion, twenty-five billion, four hundred fifty-four million, five hundred twenty-one thousand, nine hundred seventy-seven".