199487253 has 16 divisors (see below), whose sum is σ = 304580736. Its totient is φ = 113767680.

The previous prime is 199487219. The next prime is 199487261. The reversal of 199487253 is 352784991.

It is not a de Polignac number, because 199487253 - 2¹⁰ = 199486229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199487273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825 + ... + 20057.

It is an arithmetic number, because the mean of its divisors is an integer number (19036296).

Almost surely, 2^199487253 is an apocalyptic number.

It is an amenable number.

199487253 is a deficient number, since it is larger than the sum of its proper divisors (105093483).

199487253 is a wasteful number, since it uses less digits than its factorization.

199487253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764.

The product of its digits is 544320, while the sum is 48.

The square root of 199487253 is about 14123.9956457088. The cubic root of 199487253 is about 584.3033595077.

The spelling of 199487253 in words is "one hundred ninety-nine million, four hundred eighty-seven thousand, two hundred fifty-three".