1351545103 has 4 divisors (see below), whose sum is σ = 1377046008. Its totient is φ = 1326044200.

The previous prime is 1351545073. The next prime is 1351545109. The reversal of 1351545103 is 3015451531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3015451531 = 1931 ⋅1561601.

It is a cyclic number.

It is not a de Polignac number, because 1351545103 - 2²¹ = 1349447951 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 (1351545109) 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, 12750373 + ... + 12750478.

It is an arithmetic number, because the mean of its divisors is an integer number (344261502).

Almost surely, 2^1351545103 is an apocalyptic number.

1351545103 is a deficient number, since it is larger than the sum of its proper divisors (25500905).

1351545103 is an equidigital number, since it uses as much as digits as its factorization.

1351545103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500904.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1351545103 is about 36763.3663175722. The cubic root of 1351545103 is about 1105.6309338798.

Adding to 1351545103 its reverse (3015451531), we get a palindrome (4366996634).

The spelling of 1351545103 in words is "one billion, three hundred fifty-one million, five hundred forty-five thousand, one hundred three".