1552725 has 36 divisors (see below), whose sum is σ = 2850016. Its totient is φ = 807840.

The previous prime is 1552723. The next prime is 1552757. The reversal of 1552725 is 5272551.

1552725 = 118² + 119² + ... + 184².

It is a happy number.

It is not a de Polignac number, because 1552725 - 2¹ = 1552723 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15024 + ... + 15126.

2^1552725 is an apocalyptic number.

1552725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552725 is a deficient number, since it is larger than the sum of its proper divisors (1297291).

1552725 is a wasteful number, since it uses less digits than its factorization.

1552725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 178 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 1552725 is about 1246.0838655564. The cubic root of 1552725 is about 115.7972329692.

The spelling of 1552725 in words is "one million, five hundred fifty-two thousand, seven hundred twenty-five".