1040525553 has 4 divisors (see below), whose sum is σ = 1387367408. Its totient is φ = 693683700.

The previous prime is 1040525537. The next prime is 1040525561. The reversal of 1040525553 is 3555250401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3555250401 = 3 ⋅1185083467.

It is not a de Polignac number, because 1040525553 - 2⁴ = 1040525537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040525553.

It is not an unprimeable number, because it can be changed into a prime (1040525503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173420923 + ... + 173420928.

It is an arithmetic number, because the mean of its divisors is an integer number (346841852).

Almost surely, 2^1040525553 is an apocalyptic number.

It is an amenable number.

1040525553 is a deficient number, since it is larger than the sum of its proper divisors (346841855).

1040525553 is an equidigital number, since it uses as much as digits as its factorization.

1040525553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346841854.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1040525553 is about 32257.1783173916. The cubic root of 1040525553 is about 1013.3300382102.

Adding to 1040525553 its reverse (3555250401), we get a palindrome (4595775954).

The spelling of 1040525553 in words is "one billion, forty million, five hundred twenty-five thousand, five hundred fifty-three".