2521245416 has 64 divisors (see below), whose sum is σ = 4928083200. Its totient is φ = 1208293632.

The previous prime is 2521245373. The next prime is 2521245449. The reversal of 2521245416 is 6145421252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10549025 + ... + 10549263.

It is an arithmetic number, because the mean of its divisors is an integer number (77001300).

Almost surely, 2^2521245416 is an apocalyptic number.

It is an amenable number.

2521245416 is a deficient number, since it is larger than the sum of its proper divisors (2406837784).

2521245416 is a wasteful number, since it uses less digits than its factorization.

2521245416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 662 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2521245416 is about 50212.0047000715. The cubic root of 2521245416 is about 1361.0425641853.

Adding to 2521245416 its reverse (6145421252), we get a palindrome (8666666668).

The spelling of 2521245416 in words is "two billion, five hundred twenty-one million, two hundred forty-five thousand, four hundred sixteen".