2152474 has 4 divisors (see below), whose sum is σ = 3228714. Its totient is φ = 1076236.

The previous prime is 2152457. The next prime is 2152477. The reversal of 2152474 is 4742512.

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., 2082249 + 70225 = 1443^2 + 265^2 .

It is not an unprimeable number, because it can be changed into a prime (2152477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538117 + ... + 538120.

2^2152474 is an apocalyptic number.

2152474 is a deficient number, since it is larger than the sum of its proper divisors (1076240).

2152474 is a wasteful number, since it uses less digits than its factorization.

2152474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076239.

The product of its digits is 2240, while the sum is 25.

The square root of 2152474 is about 1467.1312143091. The cubic root of 2152474 is about 129.1157745168.

Adding to 2152474 its reverse (4742512), we get a palindrome (6894986).

The spelling of 2152474 in words is "two million, one hundred fifty-two thousand, four hundred seventy-four".