1552415252 has 12 divisors (see below), whose sum is σ = 2747252340. Its totient is φ = 767486016.

The previous prime is 1552415251. The next prime is 1552415261. The reversal of 1552415252 is 2525142551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86750596 + 1465664656 = 9314^2 + 38284^2 .

It is a super-2 number, since 2×1552415252² = 4819986229284447008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552415251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180003 + ... + 2180714.

It is an arithmetic number, because the mean of its divisors is an integer number (228937695).

Almost surely, 2^1552415252 is an apocalyptic number.

It is an amenable number.

1552415252 is a deficient number, since it is larger than the sum of its proper divisors (1194837088).

1552415252 is a wasteful number, since it uses less digits than its factorization.

1552415252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360810 (or 4360808 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 1552415252 is about 39400.7011612738. The cubic root of 1552415252 is about 1157.8953245418.

The spelling of 1552415252 in words is "one billion, five hundred fifty-two million, four hundred fifteen thousand, two hundred fifty-two".