1025211445 has 16 divisors (see below), whose sum is σ = 1253781360. Its totient is φ = 804556800.

The previous prime is 1025211419. The next prime is 1025211463. The reversal of 1025211445 is 5441125201.

It can be written as a sum of positive squares in 8 ways, for example, as 549011761 + 476199684 = 23431^2 + 21822^2 .

It is not a de Polignac number, because 1025211445 - 2⁹ = 1025210933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114325 + ... + 122965.

It is an arithmetic number, because the mean of its divisors is an integer number (78361335).

Almost surely, 2^1025211445 is an apocalyptic number.

It is an amenable number.

1025211445 is a deficient number, since it is larger than the sum of its proper divisors (228569915).

1025211445 is an equidigital number, since it uses as much as digits as its factorization.

1025211445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1025211445 is about 32018.9232329883. The cubic root of 1025211445 is about 1008.3341637556.

Adding to 1025211445 its reverse (5441125201), we get a palindrome (6466336646).

The spelling of 1025211445 in words is "one billion, twenty-five million, two hundred eleven thousand, four hundred forty-five".