650772487 has 2 divisors, whose sum is σ = 650772488. Its totient is φ = 650772486.

The previous prime is 650772457. The next prime is 650772497. The reversal of 650772487 is 784277056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650772487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650772457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325386243 + 325386244.

It is an arithmetic number, because the mean of its divisors is an integer number (325386244).

Almost surely, 2^650772487 is an apocalyptic number.

650772487 is a deficient number, since it is larger than the sum of its proper divisors (1).

650772487 is an equidigital number, since it uses as much as digits as its factorization.

650772487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658560, while the sum is 46.

The square root of 650772487 is about 25510.2427859870. The cubic root of 650772487 is about 866.5821276678.

The spelling of 650772487 in words is "six hundred fifty million, seven hundred seventy-two thousand, four hundred eighty-seven".