1250344625 has 16 divisors (see below), whose sum is σ = 1566027216. Its totient is φ = 996688000.

The previous prime is 1250344621. The next prime is 1250344639. The reversal of 1250344625 is 5264430521.

It can be written as a sum of positive squares in 8 ways, for example, as 567201856 + 683142769 = 23816^2 + 26137^2 .

It is not a de Polignac number, because 1250344625 - 2² = 1250344621 is a prime.

It is a super-3 number, since 3×1250344625³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1250344591 and 1250344600.

It is not an unprimeable number, because it can be changed into a prime (1250344621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17327 + ... + 52923.

It is an arithmetic number, because the mean of its divisors is an integer number (97876701).

Almost surely, 2^1250344625 is an apocalyptic number.

It is an amenable number.

1250344625 is a deficient number, since it is larger than the sum of its proper divisors (315682591).

1250344625 is an equidigital number, since it uses as much as digits as its factorization.

1250344625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35893 (or 35883 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1250344625 is about 35360.2124569409. The cubic root of 1250344625 is about 1077.3163321936.

The spelling of 1250344625 in words is "one billion, two hundred fifty million, three hundred forty-four thousand, six hundred twenty-five".