25014343542 has 32 divisors (see below), whose sum is σ = 52433885952. Its totient is φ = 7940443104.

The previous prime is 25014343493. The next prime is 25014343547. The reversal of 25014343542 is 24534341052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25014343547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367933 + ... + 430584.

It is an arithmetic number, because the mean of its divisors is an integer number (1638558936).

Almost surely, 2^25014343542 is an apocalyptic number.

25014343542 is an abundant number, since it is smaller than the sum of its proper divisors (27419542410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25014343542 is a wasteful number, since it uses less digits than its factorization.

25014343542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798772.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 25014343542 its reverse (24534341052), we get a palindrome (49548684594).

The spelling of 25014343542 in words is "twenty-five billion, fourteen million, three hundred forty-three thousand, five hundred forty-two".