2521485 has 24 divisors (see below), whose sum is σ = 4413240. Its totient is φ = 1331712.

The previous prime is 2521481. The next prime is 2521489. The reversal of 2521485 is 5841252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2521481) and next prime (2521489).

It can be written as a sum of positive squares in 4 ways, for example, as 826281 + 1695204 = 909^2 + 1302^2 .

It is not a de Polignac number, because 2521485 - 2² = 2521481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5961 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (183885).

2^2521485 is an apocalyptic number.

It is an amenable number.

2521485 is a deficient number, since it is larger than the sum of its proper divisors (1891755).

2521485 is a wasteful number, since it uses less digits than its factorization.

2521485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 554 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2521485 is about 1587.9184487876. The cubic root of 2521485 is about 136.1085674321.

The spelling of 2521485 in words is "two million, five hundred twenty-one thousand, four hundred eighty-five".