19425701 has 2 divisors, whose sum is σ = 19425702. Its totient is φ = 19425700.

The previous prime is 19425649. The next prime is 19425739. The reversal of 19425701 is 10752491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 7695076 = 3425^2 + 2774^2 .

It is a cyclic number.

It is not a de Polignac number, because 19425701 - 2²² = 15231397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19425761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9712850 + 9712851.

It is an arithmetic number, because the mean of its divisors is an integer number (9712851).

Almost surely, 2^19425701 is an apocalyptic number.

It is an amenable number.

19425701 is a deficient number, since it is larger than the sum of its proper divisors (1).

19425701 is an equidigital number, since it uses as much as digits as its factorization.

19425701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 19425701 is about 4407.4596991918. The cubic root of 19425701 is about 268.8183431020.

The spelling of 19425701 in words is "nineteen million, four hundred twenty-five thousand, seven hundred one".