1552516 has 27 divisors (see below), whose sum is σ = 3196389.
Its totient is φ = 657888.
The previous prime is 1552513. The next prime is 1552517. The reversal of 1552516 is 6152551.
The square root of 1552516 is 1246.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 298116 + 1254400 = 546^2 + 1120^2
It is not an unprimeable number, because it can be changed into a prime (1552513) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17400 + ... + 17488.
21552516 is an apocalyptic number.
1552516 is the 1246-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1552516
1552516 is an abundant number, since it is smaller than the sum of its proper divisors (1643873).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1552516 is an equidigital number, since it uses as much as digits as its factorization.
1552516 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196 (or 98 counting only the distinct ones).
The product of its digits is 1500, while the sum is 25.
The cubic root of 1552516 is about 115.7920372203.
Multiplying 1552516 by its sum of digits (25), we get a square (38812900 = 62302).
The spelling of 1552516 in words is "one million, five hundred fifty-two thousand, five hundred sixteen".