472961897 has 2 divisors, whose sum is σ = 472961898. Its totient is φ = 472961896.

The previous prime is 472961873. The next prime is 472961917. The reversal of 472961897 is 798169274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445252201 + 27709696 = 21101^2 + 5264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472961897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472961837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236480948 + 236480949.

It is an arithmetic number, because the mean of its divisors is an integer number (236480949).

Almost surely, 2^472961897 is an apocalyptic number.

It is an amenable number.

472961897 is a deficient number, since it is larger than the sum of its proper divisors (1).

472961897 is an equidigital number, since it uses as much as digits as its factorization.

472961897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The square root of 472961897 is about 21747.6871643860. The cubic root of 472961897 is about 779.1278312932.

The spelling of 472961897 in words is "four hundred seventy-two million, nine hundred sixty-one thousand, eight hundred ninety-seven".