2500320544 has 12 divisors (see below), whose sum is σ = 4922506134. Its totient is φ = 1250160256.

The previous prime is 2500320541. The next prime is 2500320553. The reversal of 2500320544 is 4450230052.

It can be written as a sum of positive squares in only one way, i.e., 2421820944 + 78499600 = 49212^2 + 8860^2 .

It is not an unprimeable number, because it can be changed into a prime (2500320541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39067477 + ... + 39067540.

Almost surely, 2^2500320544 is an apocalyptic number.

It is an amenable number.

2500320544 is a deficient number, since it is larger than the sum of its proper divisors (2422185590).

2500320544 is an equidigital number, since it uses as much as digits as its factorization.

2500320544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78135027 (or 78135019 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2500320544 is about 50003.2053372581. The cubic root of 2500320544 is about 1357.2668118372.

Adding to 2500320544 its reverse (4450230052), we get a palindrome (6950550596).

The spelling of 2500320544 in words is "two billion, five hundred million, three hundred twenty thousand, five hundred forty-four".