1611025 has 12 divisors (see below), whose sum is σ = 2151772. Its totient is φ = 1189440.

The previous prime is 1610993. The next prime is 1611031. The reversal of 1611025 is 5201161.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 33489 + 1577536 = 183^2 + 1256^2 .

It is not a de Polignac number, because 1611025 - 2⁵ = 1610993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154 + ... + 2803.

2^1611025 is an apocalyptic number.

It is an amenable number.

1611025 is a deficient number, since it is larger than the sum of its proper divisors (540747).

1611025 is a wasteful number, since it uses less digits than its factorization.

1611025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1611025 is about 1269.2615963622. The cubic root of 1611025 is about 117.2287389675.

Adding to 1611025 its reverse (5201161), we get a palindrome (6812186).

It can be divided in two parts, 161 and 1025, that multiplied together give a triangular number (165025 = T₅₇₄).

The spelling of 1611025 in words is "one million, six hundred eleven thousand, twenty-five".