3215455425 has 144 divisors (see below), whose sum is σ = 7165791360. Its totient is φ = 1342033920.

The previous prime is 3215455423. The next prime is 3215455427. The reversal of 3215455425 is 5245545123.

3215455425 is a `hidden beast` number, since 32 + 1 + 54 + 554 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (3215455423) and next prime (3215455427).

It is not a de Polignac number, because 3215455425 - 2¹ = 3215455423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3215455425.

It is not an unprimeable number, because it can be changed into a prime (3215455423) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1985266 + ... + 1986884.

It is an arithmetic number, because the mean of its divisors is an integer number (49762440).

Almost surely, 2^3215455425 is an apocalyptic number.

3215455425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3215455425 is an abundant number, since it is smaller than the sum of its proper divisors (3950335935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215455425 is a wasteful number, since it uses less digits than its factorization.

3215455425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1744 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 3215455425 is about 56704.9858918949. The cubic root of 3215455425 is about 1475.9812182266.

The spelling of 3215455425 in words is "three billion, two hundred fifteen million, four hundred fifty-five thousand, four hundred twenty-five".