25340342 has 16 divisors (see below), whose sum is σ = 39962592. Its totient is φ = 12027840.

The previous prime is 25340339. The next prime is 25340351. The reversal of 25340342 is 24304352.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292 + ... + 8312.

It is an arithmetic number, because the mean of its divisors is an integer number (2497662).

Almost surely, 2^25340342 is an apocalyptic number.

25340342 is a deficient number, since it is larger than the sum of its proper divisors (14622250).

25340342 is a wasteful number, since it uses less digits than its factorization.

25340342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 25340342 is about 5033.9191491322. The cubic root of 25340342 is about 293.7226857355.

Adding to 25340342 its reverse (24304352), we get a palindrome (49644694).

The spelling of 25340342 in words is "twenty-five million, three hundred forty thousand, three hundred forty-two".