1350245551 has 4 divisors (see below), whose sum is σ = 1386738712. Its totient is φ = 1313752392.

The previous prime is 1350245549. The next prime is 1350245591. The reversal of 1350245551 is 1555420531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555420531 = 7 ⋅222202933.

It is a cyclic number.

It is not a de Polignac number, because 1350245551 - 2¹ = 1350245549 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 (1350245591) 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, 18246525 + ... + 18246598.

It is an arithmetic number, because the mean of its divisors is an integer number (346684678).

Almost surely, 2^1350245551 is an apocalyptic number.

1350245551 is a deficient number, since it is larger than the sum of its proper divisors (36493161).

1350245551 is an equidigital number, since it uses as much as digits as its factorization.

1350245551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36493160.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1350245551 is about 36745.6875156800. The cubic root of 1350245551 is about 1105.2764542423.

The spelling of 1350245551 in words is "one billion, three hundred fifty million, two hundred forty-five thousand, five hundred fifty-one".