2131522 has 8 divisors (see below), whose sum is σ = 3213072. Its totient is φ = 1060500.

The previous prime is 2131517. The next prime is 2131531. The reversal of 2131522 is 2251312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2131496 and 2131505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (401634).

2^2131522 is an apocalyptic number.

2131522 is a deficient number, since it is larger than the sum of its proper divisors (1081550).

2131522 is a wasteful number, since it uses less digits than its factorization.

2131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its digits is 120, while the sum is 16.

The square root of 2131522 is about 1459.9732874269. The cubic root of 2131522 is about 128.6954738163.

Adding to 2131522 its reverse (2251312), we get a palindrome (4382834).

The spelling of 2131522 in words is "two million, one hundred thirty-one thousand, five hundred twenty-two".