650494457 has 2 divisors, whose sum is σ = 650494458. Its totient is φ = 650494456.

The previous prime is 650494363. The next prime is 650494463. The reversal of 650494457 is 754494056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614841616 + 35652841 = 24796^2 + 5971^2 .

It is a cyclic number.

It is not a de Polignac number, because 650494457 - 2¹² = 650490361 is a prime.

It is not a weakly prime, because it can be changed into another prime (650494657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325247228 + 325247229.

It is an arithmetic number, because the mean of its divisors is an integer number (325247229).

Almost surely, 2^650494457 is an apocalyptic number.

It is an amenable number.

650494457 is a deficient number, since it is larger than the sum of its proper divisors (1).

650494457 is an equidigital number, since it uses as much as digits as its factorization.

650494457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 650494457 is about 25504.7928240948. The cubic root of 650494457 is about 866.4586999191.

The spelling of 650494457 in words is "six hundred fifty million, four hundred ninety-four thousand, four hundred fifty-seven".