25043005742 has 4 divisors (see below), whose sum is σ = 37564508616. Its totient is φ = 12521502870.

The previous prime is 25043005733. The next prime is 25043005747. The reversal of 25043005742 is 24750034052.

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

It is a junction number, because it is equal to n+sod(n) for n = 25043005699 and 25043005708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25043005747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260751434 + ... + 6260751437.

It is an arithmetic number, because the mean of its divisors is an integer number (9391127154).

Almost surely, 2^25043005742 is an apocalyptic number.

25043005742 is a deficient number, since it is larger than the sum of its proper divisors (12521502874).

25043005742 is a wasteful number, since it uses less digits than its factorization.

25043005742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521502873.

The product of its (nonzero) digits is 33600, while the sum is 32.

Adding to 25043005742 its reverse (24750034052), we get a palindrome (49793039794).

The spelling of 25043005742 in words is "twenty-five billion, forty-three million, five thousand, seven hundred forty-two".