1995928253 has 4 divisors (see below), whose sum is σ = 2177376288. Its totient is φ = 1814480220.

The previous prime is 1995928243. The next prime is 1995928261. The reversal of 1995928253 is 3528295991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1995928253 - 2⁶ = 1995928189 is a prime.

It is a super-2 number, since 2×1995928253² = 7967459182247264018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1995928195 and 1995928204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995928213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90724001 + ... + 90724022.

It is an arithmetic number, because the mean of its divisors is an integer number (544344072).

Almost surely, 2^1995928253 is an apocalyptic number.

It is an amenable number.

1995928253 is a deficient number, since it is larger than the sum of its proper divisors (181448035).

1995928253 is a wasteful number, since it uses less digits than its factorization.

1995928253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181448034.

The product of its digits is 1749600, while the sum is 53.

The square root of 1995928253 is about 44675.8128409546. The cubic root of 1995928253 is about 1259.0654557122.

The spelling of 1995928253 in words is "one billion, nine hundred ninety-five million, nine hundred twenty-eight thousand, two hundred fifty-three".