2521142077 has 2 divisors, whose sum is σ = 2521142078. Its totient is φ = 2521142076.

The previous prime is 2521142059. The next prime is 2521142137. The reversal of 2521142077 is 7702411252.

2521142077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1630059876 + 891082201 = 40374^2 + 29851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521142077 - 2⁷ = 2521141949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521142047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260571038 + 1260571039.

It is an arithmetic number, because the mean of its divisors is an integer number (1260571039).

Almost surely, 2^2521142077 is an apocalyptic number.

It is an amenable number.

2521142077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521142077 is an equidigital number, since it uses as much as digits as its factorization.

2521142077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2521142077 is about 50210.9756626975. The cubic root of 2521142077 is about 1361.0239687855.

The spelling of 2521142077 in words is "two billion, five hundred twenty-one million, one hundred forty-two thousand, seventy-seven".