2561412 has 24 divisors (see below), whose sum is σ = 6830656. Its totient is φ = 731808.

The previous prime is 2561411. The next prime is 2561423. The reversal of 2561412 is 2141652.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2561411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15163 + ... + 15330.

2^2561412 is an apocalyptic number.

It is an amenable number.

2561412 is an abundant number, since it is smaller than the sum of its proper divisors (4269244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2561412 is a wasteful number, since it uses less digits than its factorization.

2561412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30507 (or 30505 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 2561412 is about 1600.4411891725. The cubic root of 2561412 is about 136.8232220077.

The spelling of 2561412 in words is "two million, five hundred sixty-one thousand, four hundred twelve".