1026250025 has 12 divisors (see below), whose sum is σ = 1273330332. Its totient is φ = 820496640.

The previous prime is 1026250007. The next prime is 1026250037. The reversal of 1026250025 is 5200526201.

It can be written as a sum of positive squares in 6 ways, for example, as 226321936 + 799928089 = 15044^2 + 28283^2 .

It is not a de Polignac number, because 1026250025 - 2¹⁸ = 1025987881 is a prime.

It is a super-2 number, since 2×1026250025² = 2106378227625001250, 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 11 ways as a sum of consecutive naturals, for example, 32117 + ... + 55533.

It is an arithmetic number, because the mean of its divisors is an integer number (106110861).

Almost surely, 2^1026250025 is an apocalyptic number.

It is an amenable number.

1026250025 is a deficient number, since it is larger than the sum of its proper divisors (247080307).

1026250025 is a wasteful number, since it uses less digits than its factorization.

1026250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25180 (or 25175 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1026250025 is about 32035.1373494792. The cubic root of 1026250025 is about 1008.6745430563.

Adding to 1026250025 its reverse (5200526201), we get a palindrome (6226776226).

The spelling of 1026250025 in words is "one billion, twenty-six million, two hundred fifty thousand, twenty-five".