2025157877 has 4 divisors (see below), whose sum is σ = 2025248940. Its totient is φ = 2025066816.

The previous prime is 2025157853. The next prime is 2025157891. The reversal of 2025157877 is 7787515202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7787515202 = 2 ⋅3893757601.

It can be written as a sum of positive squares in 2 ways, for example, as 691374436 + 1333783441 = 26294^2 + 36521^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025157877 - 2¹⁴ = 2025141493 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 (2025157177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12383 + ... + 64835.

It is an arithmetic number, because the mean of its divisors is an integer number (506312235).

Almost surely, 2^2025157877 is an apocalyptic number.

It is an amenable number.

2025157877 is a deficient number, since it is larger than the sum of its proper divisors (91063).

2025157877 is an equidigital number, since it uses as much as digits as its factorization.

2025157877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91062.

The product of its (nonzero) digits is 274400, while the sum is 44.

The square root of 2025157877 is about 45001.7541546993. The cubic root of 2025157877 is about 1265.1818757695.

The spelling of 2025157877 in words is "two billion, twenty-five million, one hundred fifty-seven thousand, eight hundred seventy-seven".