2516026 has 4 divisors (see below), whose sum is σ = 3774042. Its totient is φ = 1258012.

The previous prime is 2516021. The next prime is 2516057. The reversal of 2516026 is 6206152.

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

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 251001 = 1505^2 + 501^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2515988 and 2516006.

It is not an unprimeable number, because it can be changed into a prime (2516021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629005 + ... + 629008.

2^2516026 is an apocalyptic number.

2516026 is a deficient number, since it is larger than the sum of its proper divisors (1258016).

2516026 is a wasteful number, since it uses less digits than its factorization.

2516026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258015.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2516026 is about 1586.1986004281. The cubic root of 2516026 is about 136.0102717155.

The spelling of 2516026 in words is "two million, five hundred sixteen thousand, twenty-six".