625423155430 has 16 divisors (see below), whose sum is σ = 1125778711104. Its totient is φ = 250165477440.

The previous prime is 625423155397. The next prime is 625423155431. The reversal of 625423155430 is 34551324526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625423155431) 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, 277690 + ... + 1152370.

It is an arithmetic number, because the mean of its divisors is an integer number (70361169444).

Almost surely, 2^625423155430 is an apocalyptic number.

625423155430 is a deficient number, since it is larger than the sum of its proper divisors (500355555674).

625423155430 is a wasteful number, since it uses less digits than its factorization.

625423155430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946191.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 625423155430 its reverse (34551324526), we get a palindrome (659974479956).

The spelling of 625423155430 in words is "six hundred twenty-five billion, four hundred twenty-three million, one hundred fifty-five thousand, four hundred thirty".