6249961 has 4 divisors (see below), whose sum is σ = 6343312. Its totient is φ = 6156612.

The previous prime is 6249959. The next prime is 6249967. The reversal of 6249961 is 1699426.

6249961 = T₃₉₈ + T₃₉₉ + ... + T₄₆₄.

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 6249961 - 2¹ = 6249959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6249961.

It is not an unprimeable number, because it can be changed into a prime (6249967) 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, 46575 + ... + 46708.

It is an arithmetic number, because the mean of its divisors is an integer number (1585828).

Almost surely, 2^6249961 is an apocalyptic number.

It is an amenable number.

6249961 is a deficient number, since it is larger than the sum of its proper divisors (93351).

6249961 is an equidigital number, since it uses as much as digits as its factorization.

6249961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93350.

The product of its digits is 23328, while the sum is 37.

The square root of 6249961 is about 2499.9921999878. The cubic root of 6249961 is about 184.2011917919.

It can be divided in two parts, 624 and 9961, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 6249961 in words is "six million, two hundred forty-nine thousand, nine hundred sixty-one".