216073525 has 24 divisors (see below), whose sum is σ = 276839424. Its totient is φ = 167169600.

The previous prime is 216073513. The next prime is 216073537. The reversal of 216073525 is 525370612.

It is an interprime number because it is at equal distance from previous prime (216073513) and next prime (216073537).

It is not a de Polignac number, because 216073525 - 2⁵ = 216073493 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 176064 + ... + 177286.

It is an arithmetic number, because the mean of its divisors is an integer number (11534976).

Almost surely, 2^216073525 is an apocalyptic number.

216073525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216073525 is a deficient number, since it is larger than the sum of its proper divisors (60765899).

216073525 is a wasteful number, since it uses less digits than its factorization.

216073525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 216073525 is about 14699.4396151690. The cubic root of 216073525 is about 600.0680709806.

The spelling of 216073525 in words is "two hundred sixteen million, seventy-three thousand, five hundred twenty-five".