1042521525 has 72 divisors (see below), whose sum is σ = 1915056000. Its totient is φ = 541981440.

The previous prime is 1042521517. The next prime is 1042521539. The reversal of 1042521525 is 5251252401.

1042521525 is a `hidden beast` number, since 1 + 0 + 425 + 215 + 25 = 666.

1042521525 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042521525 - 2³ = 1042521517 is a prime.

It is a super-2 number, since 2×1042521525² = 2173702260176651250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1581646 + ... + 1582304.

It is an arithmetic number, because the mean of its divisors is an integer number (26598000).

Almost surely, 2^1042521525 is an apocalyptic number.

1042521525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042521525 is a deficient number, since it is larger than the sum of its proper divisors (872534475).

1042521525 is a wasteful number, since it uses less digits than its factorization.

1042521525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1042521525 is about 32288.1019107658. The cubic root of 1042521525 is about 1013.9775592293.

Adding to 1042521525 its reverse (5251252401), we get a palindrome (6293773926).

The spelling of 1042521525 in words is "one billion, forty-two million, five hundred twenty-one thousand, five hundred twenty-five".