2025454521987 has 24 divisors (see below), whose sum is σ = 3150761250000. Its totient is φ = 1246412104128.

The previous prime is 2025454521977. The next prime is 2025454522019. The reversal of 2025454521987 is 7891254545202.

2025454521987 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 4 + 545 + 2 + 1 + 98 + 7 = 666.

It is not a de Polignac number, because 2025454521987 - 2⁷ = 2025454521859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2025454521947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9149889 + ... + 9368637.

It is an arithmetic number, because the mean of its divisors is an integer number (131281718750).

Almost surely, 2^{2025454521987} is an apocalyptic number.

2025454521987 is a deficient number, since it is larger than the sum of its proper divisors (1125306728013).

2025454521987 is a wasteful number, since it uses less digits than its factorization.

2025454521987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297907 (or 297904 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 2025454521987 in words is "two trillion, twenty-five billion, four hundred fifty-four million, five hundred twenty-one thousand, nine hundred eighty-seven".