2512405 has 16 divisors (see below), whose sum is σ = 3596544. Its totient is φ = 1647360.

The previous prime is 2512403. The next prime is 2512409. The reversal of 2512405 is 5042152.

It is not a de Polignac number, because 2512405 - 2¹ = 2512403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (224784).

2^2512405 is an apocalyptic number.

It is an amenable number.

2512405 is a deficient number, since it is larger than the sum of its proper divisors (1084139).

2512405 is a wasteful number, since it uses less digits than its factorization.

2512405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156.

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

The square root of 2512405 is about 1585.0567813173. The cubic root of 2512405 is about 135.9449928930.

Adding to 2512405 its reverse (5042152), we get a palindrome (7554557).

The spelling of 2512405 in words is "two million, five hundred twelve thousand, four hundred five".