2506312 has 8 divisors (see below), whose sum is σ = 4699350. Its totient is φ = 1253152.

The previous prime is 2506291. The next prime is 2506313. The reversal of 2506312 is 2136052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 298116 = 1486^2 + 546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2506312.

It is not an unprimeable number, because it can be changed into a prime (2506313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156637 + ... + 156652.

2^2506312 is an apocalyptic number.

It is an amenable number.

2506312 is a deficient number, since it is larger than the sum of its proper divisors (2193038).

2506312 is a wasteful number, since it uses less digits than its factorization.

2506312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313295 (or 313291 counting only the distinct ones).

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

The square root of 2506312 is about 1583.1336014374. The cubic root of 2506312 is about 135.8350075278.

The spelling of 2506312 in words is "two million, five hundred six thousand, three hundred twelve".