2521754 has 4 divisors (see below), whose sum is σ = 3782634. Its totient is φ = 1260876.

The previous prime is 2521751. The next prime is 2521769. The reversal of 2521754 is 4571252.

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., 1575025 + 946729 = 1255^2 + 973^2 .

It is not an unprimeable number, because it can be changed into a prime (2521751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630437 + ... + 630440.

2^2521754 is an apocalyptic number.

2521754 is a deficient number, since it is larger than the sum of its proper divisors (1260880).

2521754 is a wasteful number, since it uses less digits than its factorization.

2521754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260879.

The product of its digits is 2800, while the sum is 26.

The square root of 2521754 is about 1588.0031486115. The cubic root of 2521754 is about 136.1134074242.

The spelling of 2521754 in words is "two million, five hundred twenty-one thousand, seven hundred fifty-four".