52213625 has 16 divisors (see below), whose sum is σ = 65364624. Its totient is φ = 41641600.

The previous prime is 52213619. The next prime is 52213631. The reversal of 52213625 is 52631225.

It is an interprime number because it is at equal distance from previous prime (52213619) and next prime (52213631).

It can be written as a sum of positive squares in 8 ways, for example, as 14661241 + 37552384 = 3829^2 + 6128^2 .

It is not a de Polignac number, because 52213625 - 2⁶ = 52213561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52213594 and 52213603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76787 + ... + 77463.

It is an arithmetic number, because the mean of its divisors is an integer number (4085289).

Almost surely, 2^52213625 is an apocalyptic number.

It is an amenable number.

52213625 is a deficient number, since it is larger than the sum of its proper divisors (13150999).

52213625 is an equidigital number, since it uses as much as digits as its factorization.

52213625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1299 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 52213625 is about 7225.8995979739. The cubic root of 52213625 is about 373.7615440706.

The spelling of 52213625 in words is "fifty-two million, two hundred thirteen thousand, six hundred twenty-five".