25351051403 has 2 divisors, whose sum is σ = 25351051404. Its totient is φ = 25351051402.

The previous prime is 25351051399. The next prime is 25351051417. The reversal of 25351051403 is 30415015352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25351051403 - 2² = 25351051399 is a prime.

It is not a weakly prime, because it can be changed into another prime (25351051483) 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, 12675525701 + 12675525702.

It is an arithmetic number, because the mean of its divisors is an integer number (12675525702).

Almost surely, 2^25351051403 is an apocalyptic number.

25351051403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25351051403 is an equidigital number, since it uses as much as digits as its factorization.

25351051403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 25351051403 its reverse (30415015352), we get a palindrome (55766066755).

The spelling of 25351051403 in words is "twenty-five billion, three hundred fifty-one million, fifty-one thousand, four hundred three".