633466397 has 2 divisors, whose sum is σ = 633466398. Its totient is φ = 633466396.

The previous prime is 633466367. The next prime is 633466399. The reversal of 633466397 is 793664336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380211001 + 253255396 = 19499^2 + 15914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633466397 is a prime.

It is a super-2 number, since 2×633466397² = 802559352256323218, which contains 22 as substring.

Together with 633466399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633466399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316733198 + 316733199.

It is an arithmetic number, because the mean of its divisors is an integer number (316733199).

Almost surely, 2^633466397 is an apocalyptic number.

It is an amenable number.

633466397 is a deficient number, since it is larger than the sum of its proper divisors (1).

633466397 is an equidigital number, since it uses as much as digits as its factorization.

633466397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 47.

The square root of 633466397 is about 25168.7583523701. The cubic root of 633466397 is about 858.8312937808.

The spelling of 633466397 in words is "six hundred thirty-three million, four hundred sixty-six thousand, three hundred ninety-seven".