25200542 has 4 divisors (see below), whose sum is σ = 37800816. Its totient is φ = 12600270.

The previous prime is 25200491. The next prime is 25200559. The reversal of 25200542 is 24500252.

It is a semiprime because it is the product of two primes.

25200542 is a modest number, since divided by 542 gives 252 as remainder.

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 as a sum of consecutive naturals, namely, 6300134 + ... + 6300137.

It is an arithmetic number, because the mean of its divisors is an integer number (9450204).

Almost surely, 2^25200542 is an apocalyptic number.

25200542 is a deficient number, since it is larger than the sum of its proper divisors (12600274).

25200542 is a wasteful number, since it uses less digits than its factorization.

25200542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600273.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 25200542 is about 5020.0141434064. The cubic root of 25200542 is about 293.1815436555.

Adding to 25200542 its reverse (24500252), we get a palindrome (49700794).

The spelling of 25200542 in words is "twenty-five million, two hundred thousand, five hundred forty-two".