425001709 has 16 divisors (see below), whose sum is σ = 488784960. Its totient is φ = 365472000.

The previous prime is 425001691. The next prime is 425001727. The reversal of 425001709 is 907100524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425001691) and next prime (425001727).

It is a cyclic number.

It is not a de Polignac number, because 425001709 - 2⁵ = 425001677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425001739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195589 + ... + 197749.

It is an arithmetic number, because the mean of its divisors is an integer number (30549060).

Almost surely, 2^425001709 is an apocalyptic number.

It is an amenable number.

425001709 is a deficient number, since it is larger than the sum of its proper divisors (63783251).

425001709 is a wasteful number, since it uses less digits than its factorization.

425001709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 425001709 is about 20615.5695773850. The cubic root of 425001709 is about 751.8483058714.

The spelling of 425001709 in words is "four hundred twenty-five million, one thousand, seven hundred nine".