42500000003 has 2 divisors, whose sum is σ = 42500000004. Its totient is φ = 42500000002.

The previous prime is 42499999991. The next prime is 42500000021. The reversal of 42500000003 is 30000000524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42500000003 - 2⁴ = 42499999987 is a prime.

It is not a weakly prime, because it can be changed into another prime (42500000083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21250000001 + 21250000002.

It is an arithmetic number, because the mean of its divisors is an integer number (21250000002).

Almost surely, 2^42500000003 is an apocalyptic number.

42500000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

42500000003 is an equidigital number, since it uses as much as digits as its factorization.

42500000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 14.

Adding to 42500000003 its reverse (30000000524), we get a palindrome (72500000527).

The spelling of 42500000003 in words is "forty-two billion, five hundred million, three", and thus it is an aban number.