650195157 has 16 divisors (see below), whose sum is σ = 887512640. Its totient is φ = 423273600.

The previous prime is 650195153. The next prime is 650195173. The reversal of 650195157 is 751591056.

It is not a de Polignac number, because 650195157 - 2² = 650195153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650195153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12657 + ... + 38217.

It is an arithmetic number, because the mean of its divisors is an integer number (55469540).

Almost surely, 2^650195157 is an apocalyptic number.

It is an amenable number.

650195157 is a deficient number, since it is larger than the sum of its proper divisors (237317483).

650195157 is a wasteful number, since it uses less digits than its factorization.

650195157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25764.

The product of its (nonzero) digits is 47250, while the sum is 39.

The square root of 650195157 is about 25498.9246243837. The cubic root of 650195157 is about 866.3257903199.

The spelling of 650195157 in words is "six hundred fifty million, one hundred ninety-five thousand, one hundred fifty-seven".