630552537 has 6 divisors (see below), whose sum is σ = 910798122. Its totient is φ = 420368352.

The previous prime is 630552509. The next prime is 630552541. The reversal of 630552537 is 735255036.

It can be written as a sum of positive squares in only one way, i.e., 540283536 + 90269001 = 23244^2 + 9501^2 .

It is not a de Polignac number, because 630552537 - 2¹⁰ = 630551513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630552737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35030688 + ... + 35030705.

It is an arithmetic number, because the mean of its divisors is an integer number (151799687).

Almost surely, 2^630552537 is an apocalyptic number.

It is an amenable number.

630552537 is a deficient number, since it is larger than the sum of its proper divisors (280245585).

630552537 is a wasteful number, since it uses less digits than its factorization.

630552537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70061399 (or 70061396 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 630552537 is about 25110.8051842230. The cubic root of 630552537 is about 857.5124334712.

The spelling of 630552537 in words is "six hundred thirty million, five hundred fifty-two thousand, five hundred thirty-seven".