1051326025 has 6 divisors (see below), whose sum is σ = 1303644302. Its totient is φ = 841060800.

The previous prime is 1051326013. The next prime is 1051326041. The reversal of 1051326025 is 5206231501.

It can be written as a sum of positive squares in 3 ways, for example, as 20466576 + 1030859449 = 4524^2 + 32107^2 .

It is not a de Polignac number, because 1051326025 - 2²⁵ = 1017771593 is a prime.

It is a super-2 number, since 2×1051326025² = 2210572821684601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 42053041 = 1051326025 / (1 + 0 + 5 + 1 + 3 + 2 + 6 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21026496 + ... + 21026545.

Almost surely, 2^1051326025 is an apocalyptic number.

It is an amenable number.

1051326025 is a deficient number, since it is larger than the sum of its proper divisors (252318277).

1051326025 is an equidigital number, since it uses as much as digits as its factorization.

1051326025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42053051 (or 42053046 counting only the distinct ones).

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

The square root of 1051326025 is about 32424.1580461236. The cubic root of 1051326025 is about 1016.8240393610.

Adding to 1051326025 its reverse (5206231501), we get a palindrome (6257557526).

The spelling of 1051326025 in words is "one billion, fifty-one million, three hundred twenty-six thousand, twenty-five".