634032437 has 2 divisors, whose sum is σ = 634032438. Its totient is φ = 634032436.

The previous prime is 634032409. The next prime is 634032461. The reversal of 634032437 is 734230436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538657681 + 95374756 = 23209^2 + 9766^2 .

It is a cyclic number.

It is not a de Polignac number, because 634032437 - 2¹⁰ = 634031413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634032937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317016218 + 317016219.

It is an arithmetic number, because the mean of its divisors is an integer number (317016219).

Almost surely, 2^634032437 is an apocalyptic number.

It is an amenable number.

634032437 is a deficient number, since it is larger than the sum of its proper divisors (1).

634032437 is an equidigital number, since it uses as much as digits as its factorization.

634032437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 634032437 is about 25180.0007347101. Note that the first 3 decimals coincide. The cubic root of 634032437 is about 859.0870232841.

The spelling of 634032437 in words is "six hundred thirty-four million, thirty-two thousand, four hundred thirty-seven".