625540543323 has 8 divisors (see below), whose sum is σ = 834057712128. Its totient is φ = 417025201704.

The previous prime is 625540543307. The next prime is 625540543339. The reversal of 625540543323 is 323345045526.

It is an interprime number because it is at equal distance from previous prime (625540543307) and next prime (625540543339).

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

It is not a de Polignac number, because 625540543323 - 2⁴ = 625540543307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625540543123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099386 + ... + 1568352.

It is an arithmetic number, because the mean of its divisors is an integer number (104257214016).

Almost surely, 2^625540543323 is an apocalyptic number.

625540543323 is a deficient number, since it is larger than the sum of its proper divisors (208517168805).

625540543323 is a wasteful number, since it uses less digits than its factorization.

625540543323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913593.

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 625540543323 its reverse (323345045526), we get a palindrome (948885588849).

The spelling of 625540543323 in words is "six hundred twenty-five billion, five hundred forty million, five hundred forty-three thousand, three hundred twenty-three".