2520042451 has 2 divisors, whose sum is σ = 2520042452. Its totient is φ = 2520042450.

The previous prime is 2520042401. The next prime is 2520042467. The reversal of 2520042451 is 1542400252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520042451 - 2⁷ = 2520042323 is a prime.

It is a super-2 number, since 2×2520042451² = 12701227909684174802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2520042401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260021225 + 1260021226.

It is an arithmetic number, because the mean of its divisors is an integer number (1260021226).

Almost surely, 2^2520042451 is an apocalyptic number.

2520042451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520042451 is an equidigital number, since it uses as much as digits as its factorization.

2520042451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2520042451 is about 50200.0244123447. The cubic root of 2520042451 is about 1360.8260644312.

The spelling of 2520042451 in words is "two billion, five hundred twenty million, forty-two thousand, four hundred fifty-one".