1552281 has 16 divisors (see below), whose sum is σ = 2207040. Its totient is φ = 967680.

The previous prime is 1552277. The next prime is 1552289. The reversal of 1552281 is 1822551.

It is not a de Polignac number, because 1552281 - 2² = 1552277 is a prime.

It is a super-2 number, since 2×1552281² = 4819152605922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1552289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6321 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (137940).

2^1552281 is an apocalyptic number.

It is an amenable number.

1552281 is a deficient number, since it is larger than the sum of its proper divisors (654759).

1552281 is a wasteful number, since it uses less digits than its factorization.

1552281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its digits is 800, while the sum is 24.

The square root of 1552281 is about 1245.9056946655. The cubic root of 1552281 is about 115.7861945534.

The spelling of 1552281 in words is "one million, five hundred fifty-two thousand, two hundred eighty-one".