2561302 has 4 divisors (see below), whose sum is σ = 3841956. Its totient is φ = 1280650.

The previous prime is 2561291. The next prime is 2561323. The reversal of 2561302 is 2031652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2561302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640324 + ... + 640327.

It is an arithmetic number, because the mean of its divisors is an integer number (960489).

2^2561302 is an apocalyptic number.

2561302 is a deficient number, since it is larger than the sum of its proper divisors (1280654).

2561302 is a wasteful number, since it uses less digits than its factorization.

2561302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280653.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2561302 is about 1600.4068232796. The cubic root of 2561302 is about 136.8212633523.

Adding to 2561302 its reverse (2031652), we get a palindrome (4592954).

The spelling of 2561302 in words is "two million, five hundred sixty-one thousand, three hundred two".