2512406 has 16 divisors (see below), whose sum is σ = 4118688. Its totient is φ = 1142400.

The previous prime is 2512403. The next prime is 2512409. The reversal of 2512406 is 6042152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2512403) and next prime (2512409).

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 7 ways as a sum of consecutive naturals, for example, 1166 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (257418).

2^2512406 is an apocalyptic number.

2512406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2512406 is a deficient number, since it is larger than the sum of its proper divisors (1606282).

2512406 is a wasteful number, since it uses less digits than its factorization.

2512406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2512406 is about 1585.0570967634. The cubic root of 2512406 is about 135.9450109295.

Adding to 2512406 its reverse (6042152), we get a palindrome (8554558).

The spelling of 2512406 in words is "two million, five hundred twelve thousand, four hundred six".