19497252 has 24 divisors (see below), whose sum is σ = 45824800. Its totient is φ = 6451776.

The previous prime is 19497229. The next prime is 19497259. The reversal of 19497252 is 25279491.

It is a self number, because there is not a number n which added to its sum of digits gives 19497252.

It is not an unprimeable number, because it can be changed into a prime (19497259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4177 + ... + 7512.

Almost surely, 2^19497252 is an apocalyptic number.

19497252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19497252 is an abundant number, since it is smaller than the sum of its proper divisors (26327548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19497252 is a wasteful number, since it uses less digits than its factorization.

19497252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11835 (or 11833 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 19497252 is about 4415.5692724721. The cubic root of 19497252 is about 269.1479863623.

The spelling of 19497252 in words is "nineteen million, four hundred ninety-seven thousand, two hundred fifty-two".