47255629 has 2 divisors, whose sum is σ = 47255630. Its totient is φ = 47255628.

The previous prime is 47255627. The next prime is 47255693. The reversal of 47255629 is 92655274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 2566404 = 6685^2 + 1602^2 .

It is a cyclic number.

It is not a de Polignac number, because 47255629 - 2¹ = 47255627 is a prime.

Together with 47255627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47255591 and 47255600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47255627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23627814 + 23627815.

It is an arithmetic number, because the mean of its divisors is an integer number (23627815).

Almost surely, 2^47255629 is an apocalyptic number.

It is an amenable number.

47255629 is a deficient number, since it is larger than the sum of its proper divisors (1).

47255629 is an equidigital number, since it uses as much as digits as its factorization.

47255629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 47255629 is about 6874.2729797412. The cubic root of 47255629 is about 361.5356953428.

The spelling of 47255629 in words is "forty-seven million, two hundred fifty-five thousand, six hundred twenty-nine".