1025357387 has 2 divisors, whose sum is σ = 1025357388. Its totient is φ = 1025357386.

The previous prime is 1025357381. The next prime is 1025357407. The reversal of 1025357387 is 7837535201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025357387 - 2⁴ = 1025357371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025357381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512678693 + 512678694.

It is an arithmetic number, because the mean of its divisors is an integer number (512678694).

Almost surely, 2^1025357387 is an apocalyptic number.

1025357387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025357387 is an equidigital number, since it uses as much as digits as its factorization.

1025357387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 1025357387 is about 32021.2021479519. The cubic root of 1025357387 is about 1008.3820079744.

The spelling of 1025357387 in words is "one billion, twenty-five million, three hundred fifty-seven thousand, three hundred eighty-seven".