625079447 has 2 divisors, whose sum is σ = 625079448. Its totient is φ = 625079446.

The previous prime is 625079419. The next prime is 625079471. The reversal of 625079447 is 744970526.

625079447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625079447 - 2¹⁴ = 625063063 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 625079398 and 625079407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625079407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312539723 + 312539724.

It is an arithmetic number, because the mean of its divisors is an integer number (312539724).

Almost surely, 2^625079447 is an apocalyptic number.

625079447 is a deficient number, since it is larger than the sum of its proper divisors (1).

625079447 is an equidigital number, since it uses as much as digits as its factorization.

625079447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 625079447 is about 25001.5888895086. The cubic root of 625079447 is about 855.0241991259.

It can be divided in two parts, 625079 and 447, that added together give a palindrome (625526).

The spelling of 625079447 in words is "six hundred twenty-five million, seventy-nine thousand, four hundred forty-seven".