2507421487 has 2 divisors, whose sum is σ = 2507421488. Its totient is φ = 2507421486.

The previous prime is 2507421479. The next prime is 2507421491. The reversal of 2507421487 is 7841247052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2507421487 - 2³ = 2507421479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2507421407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253710743 + 1253710744.

It is an arithmetic number, because the mean of its divisors is an integer number (1253710744).

Almost surely, 2^2507421487 is an apocalyptic number.

2507421487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2507421487 is an equidigital number, since it uses as much as digits as its factorization.

2507421487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2507421487 is about 50074.1598731322. The cubic root of 2507421487 is about 1358.5504825465.

The spelling of 2507421487 in words is "two billion, five hundred seven million, four hundred twenty-one thousand, four hundred eighty-seven".