2561962 has 16 divisors (see below), whose sum is σ = 4167072. Its totient is φ = 1174320.

The previous prime is 2561959. The next prime is 2561963. The reversal of 2561962 is 2691652.

It is not an unprimeable number, because it can be changed into a prime (2561963) 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, 5253 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (260442).

2^2561962 is an apocalyptic number.

2561962 is a deficient number, since it is larger than the sum of its proper divisors (1605110).

2561962 is a wasteful number, since it uses less digits than its factorization.

2561962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its digits is 6480, while the sum is 31.

The square root of 2561962 is about 1600.6130075693. The cubic root of 2561962 is about 136.8330144433.

The spelling of 2561962 in words is "two million, five hundred sixty-one thousand, nine hundred sixty-two".