1652913217 has 2 divisors, whose sum is σ = 1652913218. Its totient is φ = 1652913216.

The previous prime is 1652913191. The next prime is 1652913221. The reversal of 1652913217 is 7123192561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1356522561 + 296390656 = 36831^2 + 17216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1652913217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1652913257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826456608 + 826456609.

It is an arithmetic number, because the mean of its divisors is an integer number (826456609).

Almost surely, 2^1652913217 is an apocalyptic number.

It is an amenable number.

1652913217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652913217 is an equidigital number, since it uses as much as digits as its factorization.

1652913217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 1652913217 is about 40656.0354314092. The cubic root of 1652913217 is about 1182.3607857721.

The spelling of 1652913217 in words is "one billion, six hundred fifty-two million, nine hundred thirteen thousand, two hundred seventeen".