1650522975 has 12 divisors (see below), whose sum is σ = 2728864776. Its totient is φ = 880278880.

The previous prime is 1650522971. The next prime is 1650523001. The reversal of 1650522975 is 5792250561.

It is not a de Polignac number, because 1650522975 - 2² = 1650522971 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650522971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11003412 + ... + 11003561.

It is an arithmetic number, because the mean of its divisors is an integer number (227405398).

Almost surely, 2^1650522975 is an apocalyptic number.

1650522975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1650522975 is a deficient number, since it is larger than the sum of its proper divisors (1078341801).

1650522975 is a wasteful number, since it uses less digits than its factorization.

1650522975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006986 (or 22006981 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 1650522975 is about 40626.6288904211. The cubic root of 1650522975 is about 1181.7905820567.

The spelling of 1650522975 in words is "one billion, six hundred fifty million, five hundred twenty-two thousand, nine hundred seventy-five".