650090461 has 2 divisors, whose sum is σ = 650090462. Its totient is φ = 650090460.

The previous prime is 650090431. The next prime is 650090471. The reversal of 650090461 is 164090056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604864836 + 45225625 = 24594^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 650090461 - 2¹³ = 650082269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650090401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325045230 + 325045231.

It is an arithmetic number, because the mean of its divisors is an integer number (325045231).

Almost surely, 2^650090461 is an apocalyptic number.

It is an amenable number.

650090461 is a deficient number, since it is larger than the sum of its proper divisors (1).

650090461 is an equidigital number, since it uses as much as digits as its factorization.

650090461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 650090461 is about 25496.8715924131. The cubic root of 650090461 is about 866.2792885311.

The spelling of 650090461 in words is "six hundred fifty million, ninety thousand, four hundred sixty-one".