2450521 has 4 divisors (see below), whose sum is σ = 2463412. Its totient is φ = 2437632.

The previous prime is 2450491. The next prime is 2450531. The reversal of 2450521 is 1250542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 1904400 = 739^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 2450521 - 2⁹ = 2450009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6156 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (615853).

2^2450521 is an apocalyptic number.

It is an amenable number.

2450521 is a deficient number, since it is larger than the sum of its proper divisors (12891).

2450521 is a wasteful number, since it uses less digits than its factorization.

2450521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2450521 is about 1565.4140027482. The cubic root of 2450521 is about 134.8195302295.

It can be divided in two parts, 24505 and 21, that multiplied together give a triangular number (514605 = T₁₀₁₄).

The spelling of 2450521 in words is "two million, four hundred fifty thousand, five hundred twenty-one".