2029157 has 4 divisors (see below), whose sum is σ = 2185260. Its totient is φ = 1873056.

The previous prime is 2029147. The next prime is 2029163. The reversal of 2029157 is 7519202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 662596 = 1169^2 + 814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2029157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78032 + ... + 78057.

It is an arithmetic number, because the mean of its divisors is an integer number (546315).

2^2029157 is an apocalyptic number.

It is an amenable number.

2029157 is a deficient number, since it is larger than the sum of its proper divisors (156103).

2029157 is a wasteful number, since it uses less digits than its factorization.

2029157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156102.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2029157 is about 1424.4848191539. The cubic root of 2029157 is about 126.6014122183.

The spelling of 2029157 in words is "two million, twenty-nine thousand, one hundred fifty-seven".