6290420251 has 4 divisors (see below), whose sum is σ = 6290649432. Its totient is φ = 6290191072.

The previous prime is 6290420239. The next prime is 6290420317. The reversal of 6290420251 is 1520240926.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1520240926 = 2 ⋅760120463.

It is a cyclic number.

It is not a de Polignac number, because 6290420251 - 2⁹ = 6290419739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6290421251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66766 + ... + 130531.

It is an arithmetic number, because the mean of its divisors is an integer number (1572662358).

Almost surely, 2^6290420251 is an apocalyptic number.

6290420251 is a deficient number, since it is larger than the sum of its proper divisors (229181).

6290420251 is a wasteful number, since it uses less digits than its factorization.

6290420251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229180.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 6290420251 is about 79312.1696273655. The cubic root of 6290420251 is about 1845.9781390579.

The spelling of 6290420251 in words is "six billion, two hundred ninety million, four hundred twenty thousand, two hundred fifty-one".