1992528601 has 6 divisors (see below), whose sum is σ = 2317839450. Its totient is φ = 1707881616.

The previous prime is 1992528581. The next prime is 1992528623. The reversal of 1992528601 is 1068252991.

It can be written as a sum of positive squares in only one way, i.e., 1932481600 + 60047001 = 43960^2 + 7749^2 .

It is not a de Polignac number, because 1992528601 - 2²¹ = 1990431449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1992528631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20331876 + ... + 20331973.

It is an arithmetic number, because the mean of its divisors is an integer number (386306575).

Almost surely, 2^1992528601 is an apocalyptic number.

It is an amenable number.

1992528601 is a deficient number, since it is larger than the sum of its proper divisors (325310849).

1992528601 is an equidigital number, since it uses as much as digits as its factorization.

1992528601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40663863 (or 40663856 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1992528601 is about 44637.7486103410. The cubic root of 1992528601 is about 1258.3501967108.

The spelling of 1992528601 in words is "one billion, nine hundred ninety-two million, five hundred twenty-eight thousand, six hundred one".