1652157 has 24 divisors (see below), whose sum is σ = 2670304. Its totient is φ = 1014768.

The previous prime is 1652141. The next prime is 1652171. The reversal of 1652157 is 7512561.

1652157 is a `hidden beast` number, since 1 + 652 + 1 + 5 + 7 = 666.

It is not a de Polignac number, because 1652157 - 2⁴ = 1652141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1652157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2898 + ... + 3420.

2^1652157 is an apocalyptic number.

It is an amenable number.

1652157 is a deficient number, since it is larger than the sum of its proper divisors (1018147).

1652157 is an equidigital number, since it uses as much as digits as its factorization.

1652157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 539 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 1652157 is about 1285.3625947568. The cubic root of 1652157 is about 118.2180446053.

The spelling of 1652157 in words is "one million, six hundred fifty-two thousand, one hundred fifty-seven".