2153517371 has 2 divisors, whose sum is σ = 2153517372. Its totient is φ = 2153517370.

The previous prime is 2153517319. The next prime is 2153517383. The reversal of 2153517371 is 1737153512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153517371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153517671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076758685 + 1076758686.

It is an arithmetic number, because the mean of its divisors is an integer number (1076758686).

Almost surely, 2^2153517371 is an apocalyptic number.

2153517371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153517371 is an equidigital number, since it uses as much as digits as its factorization.

2153517371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050, while the sum is 35.

The square root of 2153517371 is about 46406.0057643405. The cubic root of 2153517371 is about 1291.3663328886.

The spelling of 2153517371 in words is "two billion, one hundred fifty-three million, five hundred seventeen thousand, three hundred seventy-one".