2025157 has 4 divisors (see below), whose sum is σ = 2095020. Its totient is φ = 1955296.

The previous prime is 2025131. The next prime is 2025169. The reversal of 2025157 is 7515202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7515202 = 2 ⋅3757601.

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 1515361 = 714^2 + 1231^2 .

It is not a de Polignac number, because 2025157 - 2⁷ = 2025029 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 (2025187) 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 3 ways as a sum of consecutive naturals, for example, 34888 + ... + 34945.

It is an arithmetic number, because the mean of its divisors is an integer number (523755).

2^2025157 is an apocalyptic number.

It is an amenable number.

2025157 is a deficient number, since it is larger than the sum of its proper divisors (69863).

2025157 is an equidigital number, since it uses as much as digits as its factorization.

2025157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69862.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2025157 is about 1423.0801101835. The cubic root of 2025157 is about 126.5181693139.

The spelling of 2025157 in words is "two million, twenty-five thousand, one hundred fifty-seven".