2507421407 has 2 divisors, whose sum is σ = 2507421408. Its totient is φ = 2507421406.

The previous prime is 2507421401. The next prime is 2507421419. The reversal of 2507421407 is 7041247052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2507421407 - 2⁸ = 2507421151 is a prime.

It is a super-2 number, since 2×2507421407² = 12574324224563719298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2507421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253710703 + 1253710704.

It is an arithmetic number, because the mean of its divisors is an integer number (1253710704).

Almost surely, 2^2507421407 is an apocalyptic number.

2507421407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2507421407 is an equidigital number, since it uses as much as digits as its factorization.

2507421407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2507421407 is about 50074.1590743170. The cubic root of 2507421407 is about 1358.5504680982.

Adding to 2507421407 its reverse (7041247052), we get a palindrome (9548668459).

The spelling of 2507421407 in words is "two billion, five hundred seven million, four hundred twenty-one thousand, four hundred seven".