2546490365 has 4 divisors (see below), whose sum is σ = 3055788444. Its totient is φ = 2037192288.

The previous prime is 2546490343. The next prime is 2546490389. The reversal of 2546490365 is 5630946452.

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 1545590596 + 1000899769 = 39314^2 + 31637^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546490365 - 2⁶ = 2546490301 is a prime.

It is a super-2 number, since 2×2546490365² = 12969226358075666450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254649032 + ... + 254649041.

It is an arithmetic number, because the mean of its divisors is an integer number (763947111).

Almost surely, 2^2546490365 is an apocalyptic number.

It is an amenable number.

2546490365 is a deficient number, since it is larger than the sum of its proper divisors (509298079).

2546490365 is an equidigital number, since it uses as much as digits as its factorization.

2546490365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509298078.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 2546490365 is about 50462.7621618159. The cubic root of 2546490365 is about 1365.5701420362.

The spelling of 2546490365 in words is "two billion, five hundred forty-six million, four hundred ninety thousand, three hundred sixty-five".