25990342 has 16 divisors (see below), whose sum is σ = 45504000. Its totient is φ = 10901448.

The previous prime is 25990337. The next prime is 25990387. The reversal of 25990342 is 24309952.

It is a junction number, because it is equal to n+sod(n) for n = 25990298 and 25990307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19092 + ... + 20407.

It is an arithmetic number, because the mean of its divisors is an integer number (2844000).

Almost surely, 2^25990342 is an apocalyptic number.

25990342 is a deficient number, since it is larger than the sum of its proper divisors (19513658).

25990342 is a wasteful number, since it uses less digits than its factorization.

25990342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39555.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 25990342 is about 5098.0723808122. The cubic root of 25990342 is about 296.2129205196.

It can be divided in two parts, 259 and 90342, that added together give a square (90601 = 301²).

The spelling of 25990342 in words is "twenty-five million, nine hundred ninety thousand, three hundred forty-two".