632751947 has 2 divisors, whose sum is σ = 632751948. Its totient is φ = 632751946.

The previous prime is 632751941. The next prime is 632751949. The reversal of 632751947 is 749157236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632751947 - 2²⁴ = 615974731 is a prime.

Together with 632751949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 632751898 and 632751907.

It is not a weakly prime, because it can be changed into another prime (632751941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316375973 + 316375974.

It is an arithmetic number, because the mean of its divisors is an integer number (316375974).

Almost surely, 2^632751947 is an apocalyptic number.

632751947 is a deficient number, since it is larger than the sum of its proper divisors (1).

632751947 is an equidigital number, since it uses as much as digits as its factorization.

632751947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 632751947 is about 25154.5611569751. The cubic root of 632751947 is about 858.5082969895.

The spelling of 632751947 in words is "six hundred thirty-two million, seven hundred fifty-one thousand, nine hundred forty-seven".