6251601 has 4 divisors (see below), whose sum is σ = 8335472. Its totient is φ = 4167732.

The previous prime is 6251599. The next prime is 6251629. The reversal of 6251601 is 1061526.

It is a happy number.

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 not a de Polignac number, because 6251601 - 2¹ = 6251599 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6251671) 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, 1041931 + ... + 1041936.

It is an arithmetic number, because the mean of its divisors is an integer number (2083868).

Almost surely, 2^6251601 is an apocalyptic number.

It is an amenable number.

6251601 is a deficient number, since it is larger than the sum of its proper divisors (2083871).

6251601 is a wasteful number, since it uses less digits than its factorization.

6251601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083870.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 6251601 is about 2500.3201794970. The cubic root of 6251601 is about 184.2173019477.

The spelling of 6251601 in words is "six million, two hundred fifty-one thousand, six hundred one".