2521152019 has 2 divisors, whose sum is σ = 2521152020. Its totient is φ = 2521152018.

The previous prime is 2521152013. The next prime is 2521152079. The reversal of 2521152019 is 9102511252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521152019 - 2⁵ = 2521151987 is a prime.

It is a super-2 number, since 2×2521152019² = 12712415005815552722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2521152013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260576009 + 1260576010.

It is an arithmetic number, because the mean of its divisors is an integer number (1260576010).

Almost surely, 2^2521152019 is an apocalyptic number.

2521152019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521152019 is an equidigital number, since it uses as much as digits as its factorization.

2521152019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 2521152019 is about 50211.0746648585. The cubic root of 2521152019 is about 1361.0257578269.

The spelling of 2521152019 in words is "two billion, five hundred twenty-one million, one hundred fifty-two thousand, nineteen".