1054143225 has 36 divisors (see below), whose sum is σ = 1999158876. Its totient is φ = 529136640.

The previous prime is 1054143221. The next prime is 1054143229. The reversal of 1054143225 is 5223414501.

It is an interprime number because it is at equal distance from previous prime (1054143221) and next prime (1054143229).

It can be written as a sum of positive squares in 6 ways, for example, as 19105641 + 1035037584 = 4371^2 + 32172^2 .

It is not a de Polignac number, because 1054143225 - 2² = 1054143221 is a prime.

It is a super-2 number, since 2×1054143225² = 2222435877626801250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1054143221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133972 + ... + 141621.

It is an arithmetic number, because the mean of its divisors is an integer number (55532191).

Almost surely, 2^1054143225 is an apocalyptic number.

1054143225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054143225 is a deficient number, since it is larger than the sum of its proper divisors (945015651).

1054143225 is a wasteful number, since it uses less digits than its factorization.

1054143225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275626 (or 275618 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1054143225 is about 32467.5718987423. The cubic root of 1054143225 is about 1017.7314780621.

Adding to 1054143225 its reverse (5223414501), we get a palindrome (6277557726).

The spelling of 1054143225 in words is "one billion, fifty-four million, one hundred forty-three thousand, two hundred twenty-five".