2103400522 has 4 divisors (see below), whose sum is σ = 3155100786. Its totient is φ = 1051700260.

The previous prime is 2103400511. The next prime is 2103400589. The reversal of 2103400522 is 2250043012.

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., 1919228481 + 184172041 = 43809^2 + 13571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2103400522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525850129 + ... + 525850132.

Almost surely, 2^2103400522 is an apocalyptic number.

2103400522 is a deficient number, since it is larger than the sum of its proper divisors (1051700264).

2103400522 is a wasteful number, since it uses less digits than its factorization.

2103400522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051700263.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2103400522 is about 45862.8446784540. The cubic root of 2103400522 is about 1281.2700045514.

Adding to 2103400522 its reverse (2250043012), we get a palindrome (4353443534).

The spelling of 2103400522 in words is "two billion, one hundred three million, four hundred thousand, five hundred twenty-two".