425109501 has 12 divisors (see below), whose sum is σ = 627112512. Its totient is φ = 277376136.

The previous prime is 425109499. The next prime is 425109527. The reversal of 425109501 is 105901524.

It is not a de Polignac number, because 425109501 - 2¹ = 425109499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425109551) 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 in 11 ways as a sum of consecutive naturals, for example, 502071 + ... + 502916.

It is an arithmetic number, because the mean of its divisors is an integer number (52259376).

Almost surely, 2^425109501 is an apocalyptic number.

It is an amenable number.

425109501 is a deficient number, since it is larger than the sum of its proper divisors (202003011).

425109501 is a wasteful number, since it uses less digits than its factorization.

425109501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005040 (or 1005037 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 425109501 is about 20618.1837463924. The cubic root of 425109501 is about 751.9118635624.

The spelling of 425109501 in words is "four hundred twenty-five million, one hundred nine thousand, five hundred one".