25263142 has 8 divisors (see below), whose sum is σ = 37926000. Its totient is φ = 12621144.

The previous prime is 25263137. The next prime is 25263143. The reversal of 25263142 is 24136252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25263143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1717 + ... + 7312.

It is an arithmetic number, because the mean of its divisors is an integer number (4740750).

Almost surely, 2^25263142 is an apocalyptic number.

25263142 is a deficient number, since it is larger than the sum of its proper divisors (12662858).

25263142 is a wasteful number, since it uses less digits than its factorization.

25263142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430.

The product of its digits is 2880, while the sum is 25.

The square root of 25263142 is about 5026.2453183266. The cubic root of 25263142 is about 293.4241044266.

Adding to 25263142 its reverse (24136252), we get a palindrome (49399394).

The spelling of 25263142 in words is "twenty-five million, two hundred sixty-three thousand, one hundred forty-two".