2520145379 has 2 divisors, whose sum is σ = 2520145380. Its totient is φ = 2520145378.

The previous prime is 2520145357. The next prime is 2520145417. The reversal of 2520145379 is 9735410252.

It is an a-pointer prime, because the next prime (2520145417) can be obtained adding 2520145379 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520145379 - 2²⁸ = 2251709923 is a prime.

It is a super-3 number, since 3×2520145379³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2520145079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260072689 + 1260072690.

It is an arithmetic number, because the mean of its divisors is an integer number (1260072690).

Almost surely, 2^2520145379 is an apocalyptic number.

2520145379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520145379 is an equidigital number, since it uses as much as digits as its factorization.

2520145379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2520145379 is about 50201.0495806612. The cubic root of 2520145379 is about 1360.8445912617.

The spelling of 2520145379 in words is "two billion, five hundred twenty million, one hundred forty-five thousand, three hundred seventy-nine".