2521101416 has 16 divisors (see below), whose sum is σ = 4768899300. Its totient is φ = 1249394944.

The previous prime is 2521101383. The next prime is 2521101433. The reversal of 2521101416 is 6141011252.

It can be written as a sum of positive squares in 2 ways, for example, as 2392188100 + 128913316 = 48910^2 + 11354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2521101391 and 2521101400.

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, 1393511 + ... + 1395318.

Almost surely, 2^2521101416 is an apocalyptic number.

It is an amenable number.

2521101416 is a deficient number, since it is larger than the sum of its proper divisors (2247797884).

2521101416 is a wasteful number, since it uses less digits than its factorization.

2521101416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788948 (or 2788944 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2521101416 is about 50210.5707595522. The cubic root of 2521101416 is about 1361.0166518776.

Adding to 2521101416 its reverse (6141011252), we get a palindrome (8662112668).

The spelling of 2521101416 in words is "two billion, five hundred twenty-one million, one hundred one thousand, four hundred sixteen".