1025495400403 has 2 divisors, whose sum is σ = 1025495400404. Its totient is φ = 1025495400402.

The previous prime is 1025495400383. The next prime is 1025495400439. The reversal of 1025495400403 is 3040045945201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025495400403 - 2³³ = 1016905465811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025495400463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512747700201 + 512747700202.

It is an arithmetic number, because the mean of its divisors is an integer number (512747700202).

Almost surely, 2^{1025495400403} is an apocalyptic number.

1025495400403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025495400403 is an equidigital number, since it uses as much as digits as its factorization.

1025495400403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 1025495400403 in words is "one trillion, twenty-five billion, four hundred ninety-five million, four hundred thousand, four hundred three".