1650740253 has 8 divisors (see below), whose sum is σ = 2221557408. Its totient is φ = 1090208304.

The previous prime is 1650740219. The next prime is 1650740269. The reversal of 1650740253 is 3520470561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1650740253 - 2²⁰ = 1649691677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650740213) 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 7 ways as a sum of consecutive naturals, for example, 2570926 + ... + 2571567.

It is an arithmetic number, because the mean of its divisors is an integer number (277694676).

Almost surely, 2^1650740253 is an apocalyptic number.

It is an amenable number.

1650740253 is a deficient number, since it is larger than the sum of its proper divisors (570817155).

1650740253 is a wasteful number, since it uses less digits than its factorization.

1650740253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142603.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1650740253 is about 40629.3028859714. The cubic root of 1650740253 is about 1181.8424375052.

The spelling of 1650740253 in words is "one billion, six hundred fifty million, seven hundred forty thousand, two hundred fifty-three".