1385007625 has 8 divisors (see below), whose sum is σ = 1728489672. Its totient is φ = 1108006000.

The previous prime is 1385007619. The next prime is 1385007649. The reversal of 1385007625 is 5267005831.

It can be written as a sum of positive squares in 4 ways, for example, as 38044224 + 1346963401 = 6168^2 + 36701^2 .

It is not a de Polignac number, because 1385007625 - 2⁷ = 1385007497 is a prime.

It is a super-2 number, since 2×1385007625² = 3836492242616281250, which contains 22 as substring.

It is a Duffinian number.

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, 5539906 + ... + 5540155.

It is an arithmetic number, because the mean of its divisors is an integer number (216061209).

Almost surely, 2^1385007625 is an apocalyptic number.

It is an amenable number.

1385007625 is a deficient number, since it is larger than the sum of its proper divisors (343482047).

1385007625 is an equidigital number, since it uses as much as digits as its factorization.

1385007625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080076 (or 11080066 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1385007625 is about 37215.6905753474. The cubic root of 1385007625 is about 1114.6813154805.

The spelling of 1385007625 in words is "one billion, three hundred eighty-five million, seven thousand, six hundred twenty-five".