71650153 has 2 divisors, whose sum is σ = 71650154. Its totient is φ = 71650152.

The previous prime is 71650151. The next prime is 71650177. The reversal of 71650153 is 35105617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64208169 + 7441984 = 8013^2 + 2728^2 .

It is an emirp because it is prime and its reverse (35105617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71650153 - 2¹ = 71650151 is a prime.

Together with 71650151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (71650151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35825076 + 35825077.

It is an arithmetic number, because the mean of its divisors is an integer number (35825077).

Almost surely, 2^71650153 is an apocalyptic number.

It is an amenable number.

71650153 is a deficient number, since it is larger than the sum of its proper divisors (1).

71650153 is an equidigital number, since it uses as much as digits as its factorization.

71650153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 71650153 is about 8464.6413391236. The cubic root of 71650153 is about 415.3418637555.

The spelling of 71650153 in words is "seventy-one million, six hundred fifty thousand, one hundred fifty-three".