612127625 has 8 divisors (see below), whose sum is σ = 763935432. Its totient is φ = 489702000.

The previous prime is 612127601. The next prime is 612127639. The reversal of 612127625 is 526721216.

It can be written as a sum of positive squares in 4 ways, for example, as 44782864 + 567344761 = 6692^2 + 23819^2 .

It is not a de Polignac number, because 612127625 - 2⁶ = 612127561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612127591 and 612127600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448386 + ... + 2448635.

It is an arithmetic number, because the mean of its divisors is an integer number (95491929).

Almost surely, 2^612127625 is an apocalyptic number.

It is an amenable number.

612127625 is a deficient number, since it is larger than the sum of its proper divisors (151807807).

612127625 is an equidigital number, since it uses as much as digits as its factorization.

612127625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897036 (or 4897026 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 612127625 is about 24741.2130866698. The cubic root of 612127625 is about 849.0774881954.

The spelling of 612127625 in words is "six hundred twelve million, one hundred twenty-seven thousand, six hundred twenty-five".