2102572 has 12 divisors (see below), whose sum is σ = 3718120. Its totient is φ = 1040256.

The previous prime is 2102567. The next prime is 2102579. The reversal of 2102572 is 2752012.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2102579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322 + ... + 3097.

2^2102572 is an apocalyptic number.

It is an amenable number.

2102572 is a deficient number, since it is larger than the sum of its proper divisors (1615548).

2102572 is a wasteful number, since it uses less digits than its factorization.

2102572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520 (or 5518 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2102572 is about 1450.0248273737. The cubic root of 2102572 is about 128.1101753223.

Adding to 2102572 its reverse (2752012), we get a palindrome (4854584).

The spelling of 2102572 in words is "two million, one hundred two thousand, five hundred seventy-two".