3216461525 has 12 divisors (see below), whose sum is σ = 4044589344. Its totient is φ = 2536926000.

The previous prime is 3216461491. The next prime is 3216461551. The reversal of 3216461525 is 5251646123.

It is not a de Polignac number, because 3216461525 - 2¹⁶ = 3216395989 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 904271 + ... + 907820.

It is an arithmetic number, because the mean of its divisors is an integer number (337049112).

Almost surely, 2^3216461525 is an apocalyptic number.

It is an amenable number.

3216461525 is a deficient number, since it is larger than the sum of its proper divisors (828127819).

3216461525 is a wasteful number, since it uses less digits than its factorization.

3216461525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812172 (or 1812167 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 3216461525 is about 56713.8565519927. The cubic root of 3216461525 is about 1476.1351445660.

The spelling of 3216461525 in words is "three billion, two hundred sixteen million, four hundred sixty-one thousand, five hundred twenty-five".