47021297 has 2 divisors, whose sum is σ = 47021298. Its totient is φ = 47021296.

The previous prime is 47021287. The next prime is 47021323. The reversal of 47021297 is 79212074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43546801 + 3474496 = 6599^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 47021297 - 2¹⁴ = 47004913 is a prime.

It is a super-2 number, since 2×47021297² = 4422004743124418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47021237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23510648 + 23510649.

It is an arithmetic number, because the mean of its divisors is an integer number (23510649).

Almost surely, 2^47021297 is an apocalyptic number.

It is an amenable number.

47021297 is a deficient number, since it is larger than the sum of its proper divisors (1).

47021297 is an equidigital number, since it uses as much as digits as its factorization.

47021297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 47021297 is about 6857.2076678485. The cubic root of 47021297 is about 360.9371084133.

The spelling of 47021297 in words is "forty-seven million, twenty-one thousand, two hundred ninety-seven".