650874134695225 has 27 divisors (see below), whose sum is σ = 938854019439021. Its totient is φ = 446313080068800.

The previous prime is 650874134695223. The next prime is 650874134695241. The reversal of 650874134695225 is 522596431478056.

It is a happy number.

The square root of 650874134695225 is 25512235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 57820527048361 + 593053607646864 = 7603981^2 + 24352692^2 .

It is not a de Polignac number, because 650874134695225 - 2¹ = 650874134695223 is a prime.

It is a super-2 number, since 2×650874134695225² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (650874134695223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 892563765 + ... + 893292685.

It is a 2-persistent number, because it is pandigital, and so is 2⋅650874134695225 = 1301748269390450, but 3⋅650874134695225 = 1952622404085675 is not.

Almost surely, 2^{650874134695225} is an apocalyptic number.

650874134695225 is the 25512235-th square number.

650874134695225 is the 12756118-th centered octagonal number.

It is an amenable number.

650874134695225 is a deficient number, since it is larger than the sum of its proper divisors (287979884743796).

650874134695225 is an frugal number, since it uses more digits than its factorization.

650874134695225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457866 (or 728933 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 67.

The spelling of 650874134695225 in words is "six hundred fifty trillion, eight hundred seventy-four billion, one hundred thirty-four million, six hundred ninety-five thousand, two hundred twenty-five".