1725106 has 4 divisors (see below), whose sum is σ = 2587662. Its totient is φ = 862552.

The previous prime is 1725091. The next prime is 1725121. The reversal of 1725106 is 6015271.

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

It is an interprime number because it is at equal distance from previous prime (1725091) and next prime (1725121).

It can be written as a sum of positive squares in only one way, i.e., 931225 + 793881 = 965^2 + 891^2 .

It is a super-2 number, since 2×1725106² = 5951981422472, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431275 + ... + 431278.

2^1725106 is an apocalyptic number.

1725106 is a deficient number, since it is larger than the sum of its proper divisors (862556).

1725106 is an equidigital number, since it uses as much as digits as its factorization.

1725106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862555.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1725106 is about 1313.4329065468. The cubic root of 1725106 is about 119.9329718264.

The spelling of 1725106 in words is "one million, seven hundred twenty-five thousand, one hundred six".