1025193427 has 2 divisors, whose sum is σ = 1025193428. Its totient is φ = 1025193426.

The previous prime is 1025193361. The next prime is 1025193473. The reversal of 1025193427 is 7243915201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7243915201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025193427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025193392 and 1025193401.

It is not a weakly prime, because it can be changed into another prime (1025193497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512596713 + 512596714.

It is an arithmetic number, because the mean of its divisors is an integer number (512596714).

Almost surely, 2^1025193427 is an apocalyptic number.

1025193427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025193427 is an equidigital number, since it uses as much as digits as its factorization.

1025193427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1025193427 is about 32018.6418668875. The cubic root of 1025193427 is about 1008.3282565932.

The spelling of 1025193427 in words is "one billion, twenty-five million, one hundred ninety-three thousand, four hundred twenty-seven".