650253534 has 64 divisors (see below), whose sum is σ = 1517045760. Its totient is φ = 181969920.

The previous prime is 650253521. The next prime is 650253581. The reversal of 650253534 is 435352056.

It is a junction number, because it is equal to n+sod(n) for n = 650253495 and 650253504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904027 + ... + 904745.

It is an arithmetic number, because the mean of its divisors is an integer number (23703840).

Almost surely, 2^650253534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650253534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758522880).

650253534 is an abundant number, since it is smaller than the sum of its proper divisors (866792226).

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

650253534 is a wasteful number, since it uses less digits than its factorization.

650253534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 650253534 is about 25500.0692940235. The cubic root of 650253534 is about 866.3517168881.

The spelling of 650253534 in words is "six hundred fifty million, two hundred fifty-three thousand, five hundred thirty-four".