650540252 has 12 divisors (see below), whose sum is σ = 1155437640. Its totient is φ = 320415216.

The previous prime is 650540251. The next prime is 650540287. The reversal of 650540252 is 252045056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650540251) 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, 1213427 + ... + 1213962.

It is an arithmetic number, because the mean of its divisors is an integer number (96286470).

Almost surely, 2^650540252 is an apocalyptic number.

It is an amenable number.

650540252 is a deficient number, since it is larger than the sum of its proper divisors (504897388).

650540252 is a wasteful number, since it uses less digits than its factorization.

650540252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427460 (or 2427458 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 650540252 is about 25505.6905807312. The cubic root of 650540252 is about 866.4790324240.

The spelling of 650540252 in words is "six hundred fifty million, five hundred forty thousand, two hundred fifty-two".