3516667425 has 18 divisors (see below), whose sum is σ = 6298742502. Its totient is φ = 1875555840.

The previous prime is 3516667423. The next prime is 3516667477. The reversal of 3516667425 is 5247666153.

It can be written as a sum of positive squares in 3 ways, for example, as 63107136 + 3453560289 = 7944^2 + 58767^2 .

It is not a de Polignac number, because 3516667425 - 2¹ = 3516667423 is a prime.

It is a super-2 number, since 2×3516667425² = 24733899556112261250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3516667423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7814592 + ... + 7815041.

It is an arithmetic number, because the mean of its divisors is an integer number (349930139).

Almost surely, 2^3516667425 is an apocalyptic number.

It is an amenable number.

3516667425 is a deficient number, since it is larger than the sum of its proper divisors (2782075077).

3516667425 is a wasteful number, since it uses less digits than its factorization.

3516667425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15629649 (or 15629641 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 3516667425 is about 59301.4959760713. The cubic root of 3516667425 is about 1520.7007711983.

The spelling of 3516667425 in words is "three billion, five hundred sixteen million, six hundred sixty-seven thousand, four hundred twenty-five".