6255661501 has 4 divisors (see below), whose sum is σ = 6300666400. Its totient is φ = 6210656604.

The previous prime is 6255661493. The next prime is 6255661549. The reversal of 6255661501 is 1051665526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6255661501 - 2³ = 6255661493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6255661571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22502241 + ... + 22502518.

It is an arithmetic number, because the mean of its divisors is an integer number (1575166600).

Almost surely, 2^6255661501 is an apocalyptic number.

It is an amenable number.

6255661501 is a deficient number, since it is larger than the sum of its proper divisors (45004899).

6255661501 is a wasteful number, since it uses less digits than its factorization.

6255661501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45004898.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 6255661501 is about 79092.7398754146. The cubic root of 6255661501 is about 1842.5717720784.

The spelling of 6255661501 in words is "six billion, two hundred fifty-five million, six hundred sixty-one thousand, five hundred one".