47152297 has 2 divisors, whose sum is σ = 47152298. Its totient is φ = 47152296.

The previous prime is 47152253. The next prime is 47152309. The reversal of 47152297 is 79225174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29419776 + 17732521 = 5424^2 + 4211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47152297 is a prime.

It is a super-2 number, since 2×47152297² = 4446678224752418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47152397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23576148 + 23576149.

It is an arithmetic number, because the mean of its divisors is an integer number (23576149).

Almost surely, 2^47152297 is an apocalyptic number.

It is an amenable number.

47152297 is a deficient number, since it is larger than the sum of its proper divisors (1).

47152297 is an equidigital number, since it uses as much as digits as its factorization.

47152297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 47152297 is about 6866.7530172564. The cubic root of 47152297 is about 361.2719844700.

The spelling of 47152297 in words is "forty-seven million, one hundred fifty-two thousand, two hundred ninety-seven".