612250561225 has 6 divisors (see below), whose sum is σ = 759190695950. Its totient is φ = 489800448960.

The previous prime is 612250561207. The next prime is 612250561259. The reversal of 612250561225 is 522165052216.

612250561225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 107060409 + 612143500816 = 10347^2 + 782396^2 .

It is not a de Polignac number, because 612250561225 - 2²⁷ = 612116343497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12245011200 + ... + 12245011249.

Almost surely, 2^612250561225 is an apocalyptic number.

It is an amenable number.

612250561225 is a deficient number, since it is larger than the sum of its proper divisors (146940134725).

612250561225 is a wasteful number, since it uses less digits than its factorization.

612250561225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24490022459 (or 24490022454 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 612250561225 in words is "six hundred twelve billion, two hundred fifty million, five hundred sixty-one thousand, two hundred twenty-five".