19325997 has 12 divisors (see below), whose sum is σ = 28040220. Its totient is φ = 12826368.

The previous prime is 19325941. The next prime is 19326011. The reversal of 19325997 is 79952391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10361961 + 8964036 = 3219^2 + 2994^2 .

It is not a de Polignac number, because 19325997 - 2¹² = 19321901 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19325597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2628 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (2336685).

Almost surely, 2^19325997 is an apocalyptic number.

It is an amenable number.

19325997 is a deficient number, since it is larger than the sum of its proper divisors (8714223).

19325997 is a wasteful number, since it uses less digits than its factorization.

19325997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9612 (or 9609 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 19325997 is about 4396.1343246084. The cubic root of 19325997 is about 268.3576432930.

The spelling of 19325997 in words is "nineteen million, three hundred twenty-five thousand, nine hundred ninety-seven".