1025145377 has 2 divisors, whose sum is σ = 1025145378. Its totient is φ = 1025145376.

The previous prime is 1025145313. The next prime is 1025145439. The reversal of 1025145377 is 7735415201.

1025145377 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., 585446416 + 439698961 = 24196^2 + 20969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025145377 - 2⁶ = 1025145313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025145307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512572688 + 512572689.

It is an arithmetic number, because the mean of its divisors is an integer number (512572689).

Almost surely, 2^1025145377 is an apocalyptic number.

It is an amenable number.

1025145377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025145377 is an equidigital number, since it uses as much as digits as its factorization.

1025145377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1025145377 is about 32017.8915139645. The cubic root of 1025145377 is about 1008.3125031661.

The spelling of 1025145377 in words is "one billion, twenty-five million, one hundred forty-five thousand, three hundred seventy-seven".