1350025091 has 4 divisors (see below), whose sum is σ = 1350244272. Its totient is φ = 1349805912.

The previous prime is 1350025073. The next prime is 1350025093. The reversal of 1350025091 is 1905200531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1905200531 = 13 ⋅146553887.

It is a cyclic number.

It is not a de Polignac number, because 1350025091 - 2¹⁴ = 1350008707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1350025091.

It is not an unprimeable number, because it can be changed into a prime (1350025093) 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, 100076 + ... + 112761.

It is an arithmetic number, because the mean of its divisors is an integer number (337561068).

Almost surely, 2^1350025091 is an apocalyptic number.

1350025091 is a deficient number, since it is larger than the sum of its proper divisors (219181).

1350025091 is an equidigital number, since it uses as much as digits as its factorization.

1350025091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219180.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1350025091 is about 36742.6875854230. The cubic root of 1350025091 is about 1105.2162966634.

The spelling of 1350025091 in words is "one billion, three hundred fifty million, twenty-five thousand, ninety-one".