625012314445 has 4 divisors (see below), whose sum is σ = 750014777340. Its totient is φ = 500009851552.

The previous prime is 625012314427. The next prime is 625012314461. The reversal of 625012314445 is 544413210526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544413210526 = 2 ⋅272206605263.

It can be written as a sum of positive squares in 2 ways, for example, as 334030826116 + 290981488329 = 577954^2 + 539427^2 .

It is a cyclic number.

It is not a de Polignac number, because 625012314445 - 2⁷ = 625012314317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62501231440 + ... + 62501231449.

It is an arithmetic number, because the mean of its divisors is an integer number (187503694335).

Almost surely, 2^625012314445 is an apocalyptic number.

It is an amenable number.

625012314445 is a deficient number, since it is larger than the sum of its proper divisors (125002462895).

625012314445 is a wasteful number, since it uses less digits than its factorization.

625012314445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125002462894.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 625012314445 in words is "six hundred twenty-five billion, twelve million, three hundred fourteen thousand, four hundred forty-five".