1050621325 has 24 divisors (see below), whose sum is σ = 1404854528. Its totient is φ = 774809280.

The previous prime is 1050621323. The next prime is 1050621331. The reversal of 1050621325 is 5231260501.

It is not a de Polignac number, because 1050621325 - 2¹ = 1050621323 is a prime.

It is a super-2 number, since 2×1050621325² = 2207610337089511250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050621325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050621323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312604 + ... + 315946.

Almost surely, 2^1050621325 is an apocalyptic number.

It is an amenable number.

1050621325 is a deficient number, since it is larger than the sum of its proper divisors (354233203).

1050621325 is a wasteful number, since it uses less digits than its factorization.

1050621325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333 (or 4328 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1050621325 is about 32413.2893270646. The cubic root of 1050621325 is about 1016.5967974320.

Adding to 1050621325 its reverse (5231260501), we get a palindrome (6281881826).

The spelling of 1050621325 in words is "one billion, fifty million, six hundred twenty-one thousand, three hundred twenty-five".