1016856525 has 12 divisors (see below), whose sum is σ = 1681202912. Its totient is φ = 542323440.

The previous prime is 1016856523. The next prime is 1016856527. The reversal of 1016856525 is 5256586101.

It is an interprime number because it is at equal distance from previous prime (1016856523) and next prime (1016856527).

It is not a de Polignac number, because 1016856525 - 2¹ = 1016856523 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 (1016856523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6778969 + ... + 6779118.

Almost surely, 2^1016856525 is an apocalyptic number.

1016856525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016856525 is a deficient number, since it is larger than the sum of its proper divisors (664346387).

1016856525 is a wasteful number, since it uses less digits than its factorization.

1016856525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13558100 (or 13558095 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 1016856525 is about 31888.1878600839. The cubic root of 1016856525 is about 1005.5875626607.

The spelling of 1016856525 in words is "one billion, sixteen million, eight hundred fifty-six thousand, five hundred twenty-five".