1725561255 has 16 divisors (see below), whose sum is σ = 3011889024. Its totient is φ = 836635680.

The previous prime is 1725561239. The next prime is 1725561307. The reversal of 1725561255 is 5521655271.

It is not a de Polignac number, because 1725561255 - 2⁴ = 1725561239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5228809 + ... + 5229138.

It is an arithmetic number, because the mean of its divisors is an integer number (188243064).

Almost surely, 2^1725561255 is an apocalyptic number.

1725561255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1725561255 is a deficient number, since it is larger than the sum of its proper divisors (1286327769).

1725561255 is a wasteful number, since it uses less digits than its factorization.

1725561255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457966.

The product of its digits is 105000, while the sum is 39.

The square root of 1725561255 is about 41539.8754812770. The cubic root of 1725561255 is about 1199.4352099129.

The spelling of 1725561255 in words is "one billion, seven hundred twenty-five million, five hundred sixty-one thousand, two hundred fifty-five".