2512481 has 4 divisors (see below), whose sum is σ = 2660292. Its totient is φ = 2364672.

The previous prime is 2512469. The next prime is 2512501. The reversal of 2512481 is 1842152.

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 1934881 + 577600 = 1391^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512481 - 2⁶ = 2512417 is a prime.

It is a super-2 number, since 2×2512481² = 12625121550722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2502481) 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, 73880 + ... + 73913.

It is an arithmetic number, because the mean of its divisors is an integer number (665073).

2^2512481 is an apocalyptic number.

It is an amenable number.

2512481 is a deficient number, since it is larger than the sum of its proper divisors (147811).

2512481 is a wasteful number, since it uses less digits than its factorization.

2512481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147810.

The product of its digits is 640, while the sum is 23.

The square root of 2512481 is about 1585.0807550406. The cubic root of 2512481 is about 135.9463636533.

The spelling of 2512481 in words is "two million, five hundred twelve thousand, four hundred eighty-one".