1350001553 has 8 divisors (see below), whose sum is σ = 1374394920. Its totient is φ = 1325681280.

The previous prime is 1350001507. The next prime is 1350001567. The reversal of 1350001553 is 3551000531.

It can be written as a sum of positive squares in 4 ways, for example, as 394384 + 1349607169 = 628^2 + 36737^2 .

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

It is not a de Polignac number, because 1350001553 - 2⁶ = 1350001489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1350001253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19703 + ... + 55571.

It is an arithmetic number, because the mean of its divisors is an integer number (171799365).

Almost surely, 2^1350001553 is an apocalyptic number.

It is an amenable number.

1350001553 is a deficient number, since it is larger than the sum of its proper divisors (24393367).

1350001553 is an equidigital number, since it uses as much as digits as its factorization.

1350001553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1350001553 is about 36742.3672753948. The cubic root of 1350001553 is about 1105.2098733920.

The spelling of 1350001553 in words is "one billion, three hundred fifty million, one thousand, five hundred fifty-three".