650253533 has 4 divisors (see below), whose sum is σ = 650309088. Its totient is φ = 650197980.

The previous prime is 650253521. The next prime is 650253581. The reversal of 650253533 is 335352056.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 650253533 - 2⁸ = 650253277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 650253533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650253733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633 + ... + 36158.

It is an arithmetic number, because the mean of its divisors is an integer number (162577272).

Almost surely, 2^650253533 is an apocalyptic number.

It is an amenable number.

650253533 is a deficient number, since it is larger than the sum of its proper divisors (55555).

650253533 is a wasteful number, since it uses less digits than its factorization.

650253533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55554.

The product of its (nonzero) digits is 40500, while the sum is 32.

The square root of 650253533 is about 25500.0692744157. The cubic root of 650253533 is about 866.3517164439.

The spelling of 650253533 in words is "six hundred fifty million, two hundred fifty-three thousand, five hundred thirty-three".