650253493 has 4 divisors (see below), whose sum is σ = 678525408. Its totient is φ = 621981580.

The previous prime is 650253467. The next prime is 650253509. The reversal of 650253493 is 394352056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650253493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650253403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14135923 + ... + 14135968.

It is an arithmetic number, because the mean of its divisors is an integer number (169631352).

Almost surely, 2^650253493 is an apocalyptic number.

It is an amenable number.

650253493 is a deficient number, since it is larger than the sum of its proper divisors (28271915).

650253493 is a wasteful number, since it uses less digits than its factorization.

650253493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28271914.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 650253493 is about 25500.0684901041. The cubic root of 650253493 is about 866.3516986796.

It can be divided in two parts, 6502 and 53493, that added together give a palindrome (59995).

The spelling of 650253493 in words is "six hundred fifty million, two hundred fifty-three thousand, four hundred ninety-three".