25450142 has 4 divisors (see below), whose sum is σ = 38175216. Its totient is φ = 12725070.

The previous prime is 25450141. The next prime is 25450153. The reversal of 25450142 is 24105452.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25450141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362534 + ... + 6362537.

It is an arithmetic number, because the mean of its divisors is an integer number (9543804).

Almost surely, 2^25450142 is an apocalyptic number.

25450142 is a deficient number, since it is larger than the sum of its proper divisors (12725074).

25450142 is a wasteful number, since it uses less digits than its factorization.

25450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725073.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 25450142 is about 5044.8133761320. The cubic root of 25450142 is about 294.1463090860.

Adding to 25450142 its reverse (24105452), we get a palindrome (49555594).

The spelling of 25450142 in words is "twenty-five million, four hundred fifty thousand, one hundred forty-two".