2054529881 has 2 divisors, whose sum is σ = 2054529882. Its totient is φ = 2054529880.

The previous prime is 2054529877. The next prime is 2054529887. The reversal of 2054529881 is 1889254502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2053539856 + 990025 = 45316^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054529881 - 2² = 2054529877 is a prime.

It is a super-2 number, since 2×2054529881² = 8442186063843748322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2054529887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027264940 + 1027264941.

It is an arithmetic number, because the mean of its divisors is an integer number (1027264941).

Almost surely, 2^2054529881 is an apocalyptic number.

It is an amenable number.

2054529881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054529881 is an equidigital number, since it uses as much as digits as its factorization.

2054529881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 2054529881 is about 45326.9222537776. The cubic root of 2054529881 is about 1271.2690893456.

The spelling of 2054529881 in words is "two billion, fifty-four million, five hundred twenty-nine thousand, eight hundred eighty-one".