1153522425 has 24 divisors (see below), whose sum is σ = 2080536480. Its totient is φ = 559283200.

The previous prime is 1153522423. The next prime is 1153522459. The reversal of 1153522425 is 5242253511.

It is not a de Polignac number, because 1153522425 - 2¹ = 1153522423 is a prime.

It is a super-2 number, since 2×1153522425² = 2661227969955761250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1153522392 and 1153522401.

It is not an unprimeable number, because it can be changed into a prime (1153522423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698280 + ... + 699929.

It is an arithmetic number, because the mean of its divisors is an integer number (86689020).

Almost surely, 2^1153522425 is an apocalyptic number.

1153522425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153522425 is a deficient number, since it is larger than the sum of its proper divisors (927014055).

1153522425 is a wasteful number, since it uses less digits than its factorization.

1153522425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398233 (or 1398228 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1153522425 is about 33963.5455304655. The cubic root of 1153522425 is about 1048.7581463291.

Adding to 1153522425 its reverse (5242253511), we get a palindrome (6395775936).

The spelling of 1153522425 in words is "one billion, one hundred fifty-three million, five hundred twenty-two thousand, four hundred twenty-five".