47173153 has 2 divisors, whose sum is σ = 47173154. Its totient is φ = 47173152.

The previous prime is 47173141. The next prime is 47173157. The reversal of 47173153 is 35137174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46076944 + 1096209 = 6788^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 47173153 - 2¹³ = 47164961 is a prime.

It is a super-2 number, since 2×47173153² = 4450612727922818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47173157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23586576 + 23586577.

It is an arithmetic number, because the mean of its divisors is an integer number (23586577).

Almost surely, 2^47173153 is an apocalyptic number.

It is an amenable number.

47173153 is a deficient number, since it is larger than the sum of its proper divisors (1).

47173153 is an equidigital number, since it uses as much as digits as its factorization.

47173153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 47173153 is about 6868.2714710471. The cubic root of 47173153 is about 361.3252415283.

The spelling of 47173153 in words is "forty-seven million, one hundred seventy-three thousand, one hundred fifty-three".