1051380625 has 15 divisors (see below), whose sum is σ = 1314818967. Its totient is φ = 840456000.

The previous prime is 1051380619. The next prime is 1051380661. The reversal of 1051380625 is 5260831501.

The square root of 1051380625 is 32425.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 116488849 + 934891776 = 10793^2 + 30576^2 .

It is not a de Polignac number, because 1051380625 - 2¹⁹ = 1050856337 is a prime.

It is a super-2 number, since 2×1051380625² = 2210802437250781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 809977 + ... + 811273.

Almost surely, 2^1051380625 is an apocalyptic number.

1051380625 is the 32425-th square number.

1051380625 is the 16213-rd centered octagonal number.

It is an amenable number.

1051380625 is a deficient number, since it is larger than the sum of its proper divisors (263438342).

1051380625 is an frugal number, since it uses more digits than its factorization.

1051380625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The cubic root of 1051380625 is about 1016.8416417762.

The spelling of 1051380625 in words is "one billion, fifty-one million, three hundred eighty thousand, six hundred twenty-five".