5251117630 has 32 divisors (see below), whose sum is σ = 10465200000. Its totient is φ = 1880994720.

The previous prime is 5251117583. The next prime is 5251117631. The reversal of 5251117630 is 367111525.

It is a junction number, because it is equal to n+sod(n) for n = 5251117592 and 5251117601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251117631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348880 + ... + 363619.

It is an arithmetic number, because the mean of its divisors is an integer number (327037500).

Almost surely, 2^5251117630 is an apocalyptic number.

5251117630 is a deficient number, since it is larger than the sum of its proper divisors (5214082370).

5251117630 is a wasteful number, since it uses less digits than its factorization.

5251117630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712584.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 5251117630 is about 72464.5957002452. The cubic root of 5251117630 is about 1738.1366442215.

The spelling of 5251117630 in words is "five billion, two hundred fifty-one million, one hundred seventeen thousand, six hundred thirty".