252625447 has 4 divisors (see below), whose sum is σ = 253822936. Its totient is φ = 251427960.

The previous prime is 252625441. The next prime is 252625453. The reversal of 252625447 is 744526252.

252625447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (252625441) and next prime (252625453).

It is a cyclic number.

It is not a de Polignac number, because 252625447 - 2¹⁵ = 252592679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252625441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598428 + ... + 598849.

It is an arithmetic number, because the mean of its divisors is an integer number (63455734).

Almost surely, 2^252625447 is an apocalyptic number.

252625447 is a deficient number, since it is larger than the sum of its proper divisors (1197489).

252625447 is a wasteful number, since it uses less digits than its factorization.

252625447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197488.

The product of its digits is 134400, while the sum is 37.

The square root of 252625447 is about 15894.1953869958. The cubic root of 252625447 is about 632.1580873224.

The spelling of 252625447 in words is "two hundred fifty-two million, six hundred twenty-five thousand, four hundred forty-seven".