1652145 has 64 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 691200.

The previous prime is 1652141. The next prime is 1652171. The reversal of 1652145 is 5412561.

1652145 = 1² + 2² + ... + 170².

It is not a de Polignac number, because 1652145 - 2² = 1652141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53280 + ... + 53310.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2^1652145 is an apocalyptic number.

1652145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1652145 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1652145 is a wasteful number, since it uses less digits than its factorization.

1652145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86.

The product of its digits is 1200, while the sum is 24.

The square root of 1652145 is about 1285.3579268048. The cubic root of 1652145 is about 118.2177583896.

The spelling of 1652145 in words is "one million, six hundred fifty-two thousand, one hundred forty-five".