5211257458 has 16 divisors (see below), whose sum is σ = 8545040064. Its totient is φ = 2363884560.

The previous prime is 5211257437. The next prime is 5211257477. The reversal of 5211257458 is 8547521125.

It is a self number, because there is not a number n which added to its sum of digits gives 5211257458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232485 + ... + 253912.

It is an arithmetic number, because the mean of its divisors is an integer number (534065004).

Almost surely, 2^5211257458 is an apocalyptic number.

5211257458 is a deficient number, since it is larger than the sum of its proper divisors (3333782606).

5211257458 is a wasteful number, since it uses less digits than its factorization.

5211257458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486897.

The product of its digits is 112000, while the sum is 40.

The square root of 5211257458 is about 72189.0397359599. The cubic root of 5211257458 is about 1733.7275211556.

The spelling of 5211257458 in words is "five billion, two hundred eleven million, two hundred fifty-seven thousand, four hundred fifty-eight".