2521207030 has 16 divisors (see below), whose sum is σ = 4538835504. Its totient is φ = 1008335520.

The previous prime is 2521207021. The next prime is 2521207069. The reversal of 2521207030 is 307021252.

It is a junction number, because it is equal to n+sod(n) for n = 2521206992 and 2521207010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77044 + ... + 104776.

It is an arithmetic number, because the mean of its divisors is an integer number (283677219).

Almost surely, 2^2521207030 is an apocalyptic number.

2521207030 is a deficient number, since it is larger than the sum of its proper divisors (2017628474).

2521207030 is a wasteful number, since it uses less digits than its factorization.

2521207030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36831.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2521207030 is about 50211.6224593470. The cubic root of 2521207030 is about 1361.0356568523.

Adding to 2521207030 its reverse (307021252), we get a palindrome (2828228282).

The spelling of 2521207030 in words is "two billion, five hundred twenty-one million, two hundred seven thousand, thirty".