1025057801 has 2 divisors, whose sum is σ = 1025057802. Its totient is φ = 1025057800.

The previous prime is 1025057717. The next prime is 1025057849. The reversal of 1025057801 is 1087505201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 951784201 + 73273600 = 30851^2 + 8560^2 .

It is an emirp because it is prime and its reverse (1087505201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025057801 - 2¹⁸ = 1024795657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025050801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512528900 + 512528901.

It is an arithmetic number, because the mean of its divisors is an integer number (512528901).

Almost surely, 2^1025057801 is an apocalyptic number.

It is an amenable number.

1025057801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025057801 is an equidigital number, since it uses as much as digits as its factorization.

1025057801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 1025057801 is about 32016.5238743996. The cubic root of 1025057801 is about 1008.2837896807.

The spelling of 1025057801 in words is "one billion, twenty-five million, fifty-seven thousand, eight hundred one".