1653202241 has 4 divisors (see below), whose sum is σ = 1654195632. Its totient is φ = 1652208852.

The previous prime is 1653202231. The next prime is 1653202259. The reversal of 1653202241 is 1422023561.

It is a happy number.

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 1653202241 - 2¹⁴ = 1653185857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1653202241.

It is not an unprimeable number, because it can be changed into a prime (1653202231) 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, 494195 + ... + 497528.

It is an arithmetic number, because the mean of its divisors is an integer number (413548908).

Almost surely, 2^1653202241 is an apocalyptic number.

It is an amenable number.

1653202241 is a deficient number, since it is larger than the sum of its proper divisors (993391).

1653202241 is an equidigital number, since it uses as much as digits as its factorization.

1653202241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993390.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1653202241 is about 40659.5897790423. The cubic root of 1653202241 is about 1182.4296965744.

The spelling of 1653202241 in words is "one billion, six hundred fifty-three million, two hundred two thousand, two hundred forty-one".