630252306551 has 32 divisors (see below), whose sum is σ = 778838952960. Its totient is φ = 497856658176.

The previous prime is 630252306529. The next prime is 630252306569. The reversal of 630252306551 is 155603252036.

It is a cyclic number.

It is not a de Polignac number, because 630252306551 - 2¹⁴ = 630252290167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630252306511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37277966 + ... + 37294868.

It is an arithmetic number, because the mean of its divisors is an integer number (24338717280).

Almost surely, 2^630252306551 is an apocalyptic number.

630252306551 is a deficient number, since it is larger than the sum of its proper divisors (148586646409).

630252306551 is a wasteful number, since it uses less digits than its factorization.

630252306551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24543.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 630252306551 its reverse (155603252036), we get a palindrome (785855558587).

The spelling of 630252306551 in words is "six hundred thirty billion, two hundred fifty-two million, three hundred six thousand, five hundred fifty-one".