1040520425 has 24 divisors (see below), whose sum is σ = 1522140672. Its totient is φ = 690480000.

The previous prime is 1040520419. The next prime is 1040520457. The reversal of 1040520425 is 5240250401.

It is a happy number.

It is not a de Polignac number, because 1040520425 - 2⁴ = 1040520409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040520425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90476 + ... + 101325.

It is an arithmetic number, because the mean of its divisors is an integer number (63422528).

Almost surely, 2^1040520425 is an apocalyptic number.

It is an amenable number.

1040520425 is a deficient number, since it is larger than the sum of its proper divisors (481620247).

1040520425 is a wasteful number, since it uses less digits than its factorization.

1040520425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191849 (or 191844 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1040520425 is about 32257.0988311100. The cubic root of 1040520425 is about 1013.3283735498.

Adding to 1040520425 its reverse (5240250401), we get a palindrome (6280770826).

The spelling of 1040520425 in words is "one billion, forty million, five hundred twenty thousand, four hundred twenty-five".