6257757652 has 6 divisors (see below), whose sum is σ = 10951075898. Its totient is φ = 3128878824.

The previous prime is 6257757643. The next prime is 6257757703. The reversal of 6257757652 is 2567577526.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5445849616 + 811908036 = 73796^2 + 28494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6257757652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782219703 + ... + 782219710.

Almost surely, 2^6257757652 is an apocalyptic number.

It is an amenable number.

6257757652 is a deficient number, since it is larger than the sum of its proper divisors (4693318246).

6257757652 is a wasteful number, since it uses less digits than its factorization.

6257757652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564439417 (or 1564439415 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 52.

The square root of 6257757652 is about 79105.9899881166. The cubic root of 6257757652 is about 1842.7775524662. Note that the first 3 decimals are identical.

The spelling of 6257757652 in words is "six billion, two hundred fifty-seven million, seven hundred fifty-seven thousand, six hundred fifty-two".