1351551065 has 8 divisors (see below), whose sum is σ = 1637608128. Its totient is φ = 1070742960.

The previous prime is 1351551049. The next prime is 1351551067. The reversal of 1351551065 is 5601551531.

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

It is not a de Polignac number, because 1351551065 - 2⁴ = 1351551049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351551067) 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, 1311671 + ... + 1312700.

It is an arithmetic number, because the mean of its divisors is an integer number (204701016).

Almost surely, 2^1351551065 is an apocalyptic number.

It is an amenable number.

1351551065 is a deficient number, since it is larger than the sum of its proper divisors (286057063).

1351551065 is a wasteful number, since it uses less digits than its factorization.

1351551065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624479.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1351551065 is about 36763.4474036372. The cubic root of 1351551065 is about 1105.6325596146.

The spelling of 1351551065 in words is "one billion, three hundred fifty-one million, five hundred fifty-one thousand, sixty-five".