1825540377 has 4 divisors (see below), whose sum is σ = 2434053840. Its totient is φ = 1217026916.

The previous prime is 1825540333. The next prime is 1825540397. The reversal of 1825540377 is 7730455281.

1825540377 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1825540377 - 2¹¹ = 1825538329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1825540397) 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, 304256727 + ... + 304256732.

It is an arithmetic number, because the mean of its divisors is an integer number (608513460).

Almost surely, 2^1825540377 is an apocalyptic number.

It is an amenable number.

1825540377 is a deficient number, since it is larger than the sum of its proper divisors (608513463).

1825540377 is an equidigital number, since it uses as much as digits as its factorization.

1825540377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608513462.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 1825540377 is about 42726.3428928805. The cubic root of 1825540377 is about 1222.1667972519.

The spelling of 1825540377 in words is "one billion, eight hundred twenty-five million, five hundred forty thousand, three hundred seventy-seven".