1552251 has 4 divisors (see below), whose sum is σ = 2069672. Its totient is φ = 1034832.

The previous prime is 1552241. The next prime is 1552277. The reversal of 1552251 is 1522551.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1552251 - 2⁷ = 1552123 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552241) 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, 258706 + ... + 258711.

It is an arithmetic number, because the mean of its divisors is an integer number (517418).

2^1552251 is an apocalyptic number.

1552251 is a deficient number, since it is larger than the sum of its proper divisors (517421).

1552251 is an equidigital number, since it uses as much as digits as its factorization.

1552251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517420.

The product of its digits is 500, while the sum is 21.

The square root of 1552251 is about 1245.8936551729. The cubic root of 1552251 is about 115.7854486385.

The spelling of 1552251 in words is "one million, five hundred fifty-two thousand, two hundred fifty-one".