1552023250 has 16 divisors (see below), whose sum is σ = 2905387992. Its totient is φ = 620809200.

The previous prime is 1552023217. The next prime is 1552023251. The reversal of 1552023250 is 523202551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 428365809 + 1123657441 = 20697^2 + 33521^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1552023251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3103797 + ... + 3104296.

Almost surely, 2^1552023250 is an apocalyptic number.

1552023250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1552023250 is a deficient number, since it is larger than the sum of its proper divisors (1353364742).

1552023250 is an equidigital number, since it uses as much as digits as its factorization.

1552023250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208110 (or 6208100 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1552023250 is about 39395.7262910585. The cubic root of 1552023250 is about 1157.7978558840.

The spelling of 1552023250 in words is "one billion, five hundred fifty-two million, twenty-three thousand, two hundred fifty".