25432406 has 16 divisors (see below), whose sum is σ = 38849760. Its totient is φ = 12484800.

The previous prime is 25432403. The next prime is 25432409. The reversal of 25432406 is 60423452.

It is an interprime number because it is at equal distance from previous prime (25432403) and next prime (25432409).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432403) 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, 27215 + ... + 28133.

It is an arithmetic number, because the mean of its divisors is an integer number (2428110).

Almost surely, 2^25432406 is an apocalyptic number.

25432406 is a deficient number, since it is larger than the sum of its proper divisors (13417354).

25432406 is a wasteful number, since it uses less digits than its factorization.

25432406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 25432406 is about 5043.0552247621. The cubic root of 25432406 is about 294.0779638053.

Adding to 25432406 its reverse (60423452), we get a palindrome (85855858).

The spelling of 25432406 in words is "twenty-five million, four hundred thirty-two thousand, four hundred six".