630052526 has 4 divisors (see below), whose sum is σ = 945078792. Its totient is φ = 315026262.

The previous prime is 630052519. The next prime is 630052529. The reversal of 630052526 is 625250036.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630052529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157513130 + ... + 157513133.

It is an arithmetic number, because the mean of its divisors is an integer number (236269698).

Almost surely, 2^630052526 is an apocalyptic number.

630052526 is a deficient number, since it is larger than the sum of its proper divisors (315026266).

630052526 is a wasteful number, since it uses less digits than its factorization.

630052526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315026265.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 630052526 is about 25100.8471171791. The cubic root of 630052526 is about 857.2857121925.

The spelling of 630052526 in words is "six hundred thirty million, fifty-two thousand, five hundred twenty-six".