3652220525 has 12 divisors (see below), whose sum is σ = 4529546772. Its totient is φ = 2921264640.

The previous prime is 3652220519. The next prime is 3652220557. The reversal of 3652220525 is 5250222563.

It can be written as a sum of positive squares in 6 ways, for example, as 198190084 + 3454030441 = 14078^2 + 58771^2 .

It is not a de Polignac number, because 3652220525 - 2¹⁸ = 3651958381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3652220491 and 3652220500.

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, 206429 + ... + 223421.

It is an arithmetic number, because the mean of its divisors is an integer number (377462231).

Almost surely, 2^3652220525 is an apocalyptic number.

It is an amenable number.

3652220525 is a deficient number, since it is larger than the sum of its proper divisors (877326247).

3652220525 is a wasteful number, since it uses less digits than its factorization.

3652220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25600 (or 25595 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 3652220525 is about 60433.6042694791. The cubic root of 3652220525 is about 1539.9938894737.

The spelling of 3652220525 in words is "three billion, six hundred fifty-two million, two hundred twenty thousand, five hundred twenty-five".