2103572 has 6 divisors (see below), whose sum is σ = 3681258. Its totient is φ = 1051784.

The previous prime is 2103553. The next prime is 2103583. The reversal of 2103572 is 2753012.

2103572 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1976836 + 126736 = 1406^2 + 356^2 .

It is a d-powerful number, because it can be written as 2 + 1 + 0 + 3³ + 5⁹ + 7⁶ + 2¹⁵ .

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, 262943 + ... + 262950.

It is an arithmetic number, because the mean of its divisors is an integer number (613543).

2^2103572 is an apocalyptic number.

It is an amenable number.

2103572 is a deficient number, since it is larger than the sum of its proper divisors (1577686).

2103572 is a wasteful number, since it uses less digits than its factorization.

2103572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525897 (or 525895 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2103572 is about 1450.3696080655. The cubic root of 2103572 is about 128.1304821767.

Adding to 2103572 its reverse (2753012), we get a palindrome (4856584).

The spelling of 2103572 in words is "two million, one hundred three thousand, five hundred seventy-two".