2530820051 has 2 divisors, whose sum is σ = 2530820052. Its totient is φ = 2530820050.

The previous prime is 2530820003. The next prime is 2530820069. The reversal of 2530820051 is 1500280352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530820051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2530820051.

It is not a weakly prime, because it can be changed into another prime (2530820251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265410025 + 1265410026.

It is an arithmetic number, because the mean of its divisors is an integer number (1265410026).

Almost surely, 2^2530820051 is an apocalyptic number.

2530820051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530820051 is an equidigital number, since it uses as much as digits as its factorization.

2530820051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2530820051 is about 50307.2564447715. The cubic root of 2530820051 is about 1362.7632778665.

The spelling of 2530820051 in words is "two billion, five hundred thirty million, eight hundred twenty thousand, fifty-one".