2131450 has 24 divisors (see below), whose sum is σ = 4053312. Its totient is φ = 833520.

The previous prime is 2131447. The next prime is 2131457. The reversal of 2131450 is 541312.

It is not an unprimeable number, because it can be changed into a prime (2131457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (168888).

2^2131450 is an apocalyptic number.

2131450 is a deficient number, since it is larger than the sum of its proper divisors (1921862).

2131450 is a wasteful number, since it uses less digits than its factorization.

2131450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 961 counting only the distinct ones).

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

The square root of 2131450 is about 1459.9486292332. The cubic root of 2131450 is about 128.6940247456.

Adding to 2131450 its reverse (541312), we get a palindrome (2672762).

The spelling of 2131450 in words is "two million, one hundred thirty-one thousand, four hundred fifty".