1025057977 has 2 divisors, whose sum is σ = 1025057978. Its totient is φ = 1025057976.

The previous prime is 1025057963. The next prime is 1025057981. The reversal of 1025057977 is 7797505201.

1025057977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769729536 + 255328441 = 27744^2 + 15979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025057977 - 2⁷ = 1025057849 is a prime.

It is a super-2 number, since 2×1025057977² = 2101487712422665058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025057927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512528988 + 512528989.

It is an arithmetic number, because the mean of its divisors is an integer number (512528989).

Almost surely, 2^1025057977 is an apocalyptic number.

It is an amenable number.

1025057977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025057977 is an equidigital number, since it uses as much as digits as its factorization.

1025057977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 154350, while the sum is 43.

The square root of 1025057977 is about 32016.5266229802. The cubic root of 1025057977 is about 1008.2838473874.

The spelling of 1025057977 in words is "one billion, twenty-five million, fifty-seven thousand, nine hundred seventy-seven".