425109527 has 2 divisors, whose sum is σ = 425109528. Its totient is φ = 425109526.

The previous prime is 425109499. The next prime is 425109547. The reversal of 425109527 is 725901524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425109527 - 2¹⁶ = 425043991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425109547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212554763 + 212554764.

It is an arithmetic number, because the mean of its divisors is an integer number (212554764).

Almost surely, 2^425109527 is an apocalyptic number.

425109527 is a deficient number, since it is larger than the sum of its proper divisors (1).

425109527 is an equidigital number, since it uses as much as digits as its factorization.

425109527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 425109527 is about 20618.1843769038. The cubic root of 425109527 is about 751.9118788916.

The spelling of 425109527 in words is "four hundred twenty-five million, one hundred nine thousand, five hundred twenty-seven".