634415461 has 2 divisors, whose sum is σ = 634415462. Its totient is φ = 634415460.

The previous prime is 634415443. The next prime is 634415471. The reversal of 634415461 is 164514436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463067361 + 171348100 = 21519^2 + 13090^2 .

It is a cyclic number.

It is not a de Polignac number, because 634415461 - 2¹¹ = 634413413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634415471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317207730 + 317207731.

It is an arithmetic number, because the mean of its divisors is an integer number (317207731).

Almost surely, 2^634415461 is an apocalyptic number.

It is an amenable number.

634415461 is a deficient number, since it is larger than the sum of its proper divisors (1).

634415461 is an equidigital number, since it uses as much as digits as its factorization.

634415461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 634415461 is about 25187.6053049908. The cubic root of 634415461 is about 859.2599822108.

Adding to 634415461 its reverse (164514436), we get a palindrome (798929897).

The spelling of 634415461 in words is "six hundred thirty-four million, four hundred fifteen thousand, four hundred sixty-one".