1045571525 has 6 divisors (see below), whose sum is σ = 1296508722. Its totient is φ = 836457200.

The previous prime is 1045571521. The next prime is 1045571581. The reversal of 1045571525 is 5251755401.

It can be written as a sum of positive squares in 3 ways, for example, as 14455204 + 1031116321 = 3802^2 + 32111^2 .

It is not a de Polignac number, because 1045571525 - 2² = 1045571521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045571521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20911406 + ... + 20911455.

It is an arithmetic number, because the mean of its divisors is an integer number (216084787).

Almost surely, 2^1045571525 is an apocalyptic number.

It is an amenable number.

1045571525 is a deficient number, since it is larger than the sum of its proper divisors (250937197).

1045571525 is an equidigital number, since it uses as much as digits as its factorization.

1045571525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41822871 (or 41822866 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 1045571525 is about 32335.2984368476. The cubic root of 1045571525 is about 1014.9654270864.

The spelling of 1045571525 in words is "one billion, forty-five million, five hundred seventy-one thousand, five hundred twenty-five".