3213351625 has 24 divisors (see below), whose sum is σ = 4407995592. Its totient is φ = 2336972000.

The previous prime is 3213351613. The next prime is 3213351629. The reversal of 3213351625 is 5261533123.

It can be written as a sum of positive squares in 4 ways, for example, as 92006464 + 3121345161 = 9592^2 + 55869^2 .

It is not a de Polignac number, because 3213351625 - 2¹³ = 3213343433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3213351629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91102 + ... + 121351.

It is an arithmetic number, because the mean of its divisors is an integer number (183666483).

Almost surely, 2^3213351625 is an apocalyptic number.

It is an amenable number.

3213351625 is a deficient number, since it is larger than the sum of its proper divisors (1194643967).

3213351625 is a wasteful number, since it uses less digits than its factorization.

3213351625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212490 (or 212469 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 3213351625 is about 56686.4324596283. The cubic root of 3213351625 is about 1475.6592475842.

Adding to 3213351625 its reverse (5261533123), we get a palindrome (8474884748).

The spelling of 3213351625 in words is "three billion, two hundred thirteen million, three hundred fifty-one thousand, six hundred twenty-five".