1205052253 has 4 divisors (see below), whose sum is σ = 1233076768. Its totient is φ = 1177027740.

The previous prime is 1205052239. The next prime is 1205052263. The reversal of 1205052253 is 3522505021.

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 a de Polignac number, because none of the positive numbers 2^k-1205052253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205052203) 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, 14012193 + ... + 14012278.

It is an arithmetic number, because the mean of its divisors is an integer number (308269192).

Almost surely, 2^1205052253 is an apocalyptic number.

It is an amenable number.

1205052253 is a deficient number, since it is larger than the sum of its proper divisors (28024515).

1205052253 is an equidigital number, since it uses as much as digits as its factorization.

1205052253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28024514.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1205052253 is about 34713.8625479793. The cubic root of 1205052253 is about 1064.1478199873.

Adding to 1205052253 its reverse (3522505021), we get a palindrome (4727557274).

The spelling of 1205052253 in words is "one billion, two hundred five million, fifty-two thousand, two hundred fifty-three".