650775625 has 10 divisors (see below), whose sum is σ = 813210002. Its totient is φ = 520620000.

The previous prime is 650775613. The next prime is 650775637. The reversal of 650775625 is 526577056.

It is an interprime number because it is at equal distance from previous prime (650775613) and next prime (650775637).

It can be written as a sum of positive squares in 5 ways, for example, as 61402896 + 589372729 = 7836^2 + 24277^2 .

It is not a de Polignac number, because 650775625 - 2⁷ = 650775497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 519996 + ... + 521245.

Almost surely, 2^650775625 is an apocalyptic number.

It is an amenable number.

650775625 is a deficient number, since it is larger than the sum of its proper divisors (162434377).

650775625 is an equidigital number, since it uses as much as digits as its factorization.

650775625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041261 (or 1041246 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The square root of 650775625 is about 25510.3042906195. The cubic root of 650775625 is about 866.5835205408.

The spelling of 650775625 in words is "six hundred fifty million, seven hundred seventy-five thousand, six hundred twenty-five".