650547461 has 2 divisors, whose sum is σ = 650547462. Its totient is φ = 650547460.

The previous prime is 650547439. The next prime is 650547463. The reversal of 650547461 is 164745056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650505025 + 42436 = 25505^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 650547461 - 2¹⁰ = 650546437 is a prime.

It is a Sophie Germain prime.

Together with 650547463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650547463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325273730 + 325273731.

It is an arithmetic number, because the mean of its divisors is an integer number (325273731).

Almost surely, 2^650547461 is an apocalyptic number.

It is an amenable number.

650547461 is a deficient number, since it is larger than the sum of its proper divisors (1).

650547461 is an equidigital number, since it uses as much as digits as its factorization.

650547461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 650547461 is about 25505.8319017436. The cubic root of 650547461 is about 866.4822330582.

The spelling of 650547461 in words is "six hundred fifty million, five hundred forty-seven thousand, four hundred sixty-one".