1150603253 has 4 divisors (see below), whose sum is σ = 1150731360. Its totient is φ = 1150475148.

The previous prime is 1150603249. The next prime is 1150603277. The reversal of 1150603253 is 3523060511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3523060511 = 1663 ⋅2118497.

It is a cyclic number.

It is not a de Polignac number, because 1150603253 - 2² = 1150603249 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 (1150603243) 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 3 ways as a sum of consecutive naturals, for example, 49475 + ... + 68912.

It is an arithmetic number, because the mean of its divisors is an integer number (287682840).

Almost surely, 2^1150603253 is an apocalyptic number.

It is an amenable number.

1150603253 is a deficient number, since it is larger than the sum of its proper divisors (128107).

1150603253 is an equidigital number, since it uses as much as digits as its factorization.

1150603253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128106.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1150603253 is about 33920.5432297303. The cubic root of 1150603253 is about 1047.8727158921.

Adding to 1150603253 its reverse (3523060511), we get a palindrome (4673663764).

The spelling of 1150603253 in words is "one billion, one hundred fifty million, six hundred three thousand, two hundred fifty-three".