425242487 has 2 divisors, whose sum is σ = 425242488. Its totient is φ = 425242486.

The previous prime is 425242481. The next prime is 425242537. The reversal of 425242487 is 784242524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425242487 - 2²² = 421048183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425242487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425242481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212621243 + 212621244.

It is an arithmetic number, because the mean of its divisors is an integer number (212621244).

Almost surely, 2^425242487 is an apocalyptic number.

425242487 is a deficient number, since it is larger than the sum of its proper divisors (1).

425242487 is an equidigital number, since it uses as much as digits as its factorization.

425242487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 38.

The square root of 425242487 is about 20621.4084630512. The cubic root of 425242487 is about 751.9902616581.

The spelling of 425242487 in words is "four hundred twenty-five million, two hundred forty-two thousand, four hundred eighty-seven".