1025401051 has 2 divisors, whose sum is σ = 1025401052. Its totient is φ = 1025401050.

The previous prime is 1025400991. The next prime is 1025401081. The reversal of 1025401051 is 1501045201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025401051 - 2⁷ = 1025400923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025401081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512700525 + 512700526.

It is an arithmetic number, because the mean of its divisors is an integer number (512700526).

Almost surely, 2^1025401051 is an apocalyptic number.

1025401051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025401051 is an equidigital number, since it uses as much as digits as its factorization.

1025401051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1025401051 is about 32021.8839389565. The cubic root of 1025401051 is about 1008.3963214771.

Adding to 1025401051 its reverse (1501045201), we get a palindrome (2526446252).

The spelling of 1025401051 in words is "one billion, twenty-five million, four hundred one thousand, fifty-one".