1352550217 has 4 divisors (see below), whose sum is σ = 1358508816. Its totient is φ = 1346591620.

The previous prime is 1352550163. The next prime is 1352550229. The reversal of 1352550217 is 7120552531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7120552531 = 15091 ⋅471841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352550217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352550247) 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, 2978959 + ... + 2979412.

It is an arithmetic number, because the mean of its divisors is an integer number (339627204).

Almost surely, 2^1352550217 is an apocalyptic number.

It is an amenable number.

1352550217 is a deficient number, since it is larger than the sum of its proper divisors (5958599).

1352550217 is an equidigital number, since it uses as much as digits as its factorization.

1352550217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958598.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1352550217 is about 36777.0338254732. The cubic root of 1352550217 is about 1105.9049436686.

The spelling of 1352550217 in words is "one billion, three hundred fifty-two million, five hundred fifty thousand, two hundred seventeen".