2561467 has 8 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 2463720.

The previous prime is 2561431. The next prime is 2561491. The reversal of 2561467 is 7641652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2561467 is a prime.

It is a super-2 number, since 2×2561467² = 13122226384178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2561267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634 + ... + 3472.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

2^2561467 is an apocalyptic number.

2561467 is a deficient number, since it is larger than the sum of its proper divisors (99653).

2561467 is an equidigital number, since it uses as much as digits as its factorization.

2561467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its digits is 10080, while the sum is 31.

The square root of 2561467 is about 1600.4583718423. The cubic root of 2561467 is about 136.8242013143.

The spelling of 2561467 in words is "two million, five hundred sixty-one thousand, four hundred sixty-seven".