19313452 has 6 divisors (see below), whose sum is σ = 33798548. Its totient is φ = 9656724.

The previous prime is 19313447. The next prime is 19313453. The reversal of 19313452 is 25431391.

It is a self number, because there is not a number n which added to its sum of digits gives 19313452.

It is not an unprimeable number, because it can be changed into a prime (19313453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2414178 + ... + 2414185.

Almost surely, 2^19313452 is an apocalyptic number.

It is an amenable number.

19313452 is a deficient number, since it is larger than the sum of its proper divisors (14485096).

19313452 is a wasteful number, since it uses less digits than its factorization.

19313452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828367 (or 4828365 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 19313452 is about 4394.7072712525. The cubic root of 19313452 is about 268.2995647830.

The spelling of 19313452 in words is "nineteen million, three hundred thirteen thousand, four hundred fifty-two".