2563140249 has 6 divisors (see below), whose sum is σ = 3702313706. Its totient is φ = 1708760160.

The previous prime is 2563140221. The next prime is 2563140277. The reversal of 2563140249 is 9420413652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2563140221) and next prime (2563140277).

It can be written as a sum of positive squares in only one way, i.e., 2285318025 + 277822224 = 47805^2 + 16668^2 .

It is not a de Polignac number, because 2563140249 - 2¹² = 2563136153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2563140149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142396672 + ... + 142396689.

Almost surely, 2^2563140249 is an apocalyptic number.

It is an amenable number.

2563140249 is a deficient number, since it is larger than the sum of its proper divisors (1139173457).

2563140249 is a wasteful number, since it uses less digits than its factorization.

2563140249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284793367 (or 284793364 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2563140249 is about 50627.4653621925. The cubic root of 2563140249 is about 1368.5398777719.

The spelling of 2563140249 in words is "two billion, five hundred sixty-three million, one hundred forty thousand, two hundred forty-nine".