3516623425 has 72 divisors (see below), whose sum is σ = 5239593216. Its totient is φ = 2333237760.

The previous prime is 3516623413. The next prime is 3516623443. The reversal of 3516623425 is 5243266153.

It is a de Polignac number, because none of the positive numbers 2^k-3516623425 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 71 ways as a sum of consecutive naturals, for example, 5929929 + ... + 5930521.

It is an arithmetic number, because the mean of its divisors is an integer number (72772128).

Almost surely, 2^3516623425 is an apocalyptic number.

3516623425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3516623425 is a deficient number, since it is larger than the sum of its proper divisors (1722969791).

3516623425 is a wasteful number, since it uses less digits than its factorization.

3516623425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 755 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 3516623425 is about 59301.1249893288. The cubic root of 3516623425 is about 1520.6944289141.

Adding to 3516623425 its reverse (5243266153), we get a palindrome (8759889578).

The spelling of 3516623425 in words is "three billion, five hundred sixteen million, six hundred twenty-three thousand, four hundred twenty-five".