650603497 has 2 divisors, whose sum is σ = 650603498. Its totient is φ = 650603496.

The previous prime is 650603423. The next prime is 650603501. The reversal of 650603497 is 794306056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650199001 + 404496 = 25499^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 650603497 - 2¹⁵ = 650570729 is a prime.

It is not a weakly prime, because it can be changed into another prime (653603497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325301748 + 325301749.

It is an arithmetic number, because the mean of its divisors is an integer number (325301749).

Almost surely, 2^650603497 is an apocalyptic number.

It is an amenable number.

650603497 is a deficient number, since it is larger than the sum of its proper divisors (1).

650603497 is an equidigital number, since it uses as much as digits as its factorization.

650603497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 650603497 is about 25506.9303719597. The cubic root of 650603497 is about 866.5071109789.

It can be divided in two parts, 65060349 and 7, that added together give a square (65060356 = 8066²).

The spelling of 650603497 in words is "six hundred fifty million, six hundred three thousand, four hundred ninety-seven".