425025945 has 12 divisors (see below), whose sum is σ = 736711716. Its totient is φ = 226680480.

The previous prime is 425025941. The next prime is 425025949. The reversal of 425025945 is 549520524.

It is an interprime number because it is at equal distance from previous prime (425025941) and next prime (425025949).

It can be written as a sum of positive squares in 2 ways, for example, as 195776064 + 229249881 = 13992^2 + 15141^2 .

It is not a de Polignac number, because 425025945 - 2² = 425025941 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (425025941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4722466 + ... + 4722555.

It is an arithmetic number, because the mean of its divisors is an integer number (61392643).

Almost surely, 2^425025945 is an apocalyptic number.

425025945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425025945 is a deficient number, since it is larger than the sum of its proper divisors (311685771).

425025945 is a wasteful number, since it uses less digits than its factorization.

425025945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445032 (or 9445029 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 425025945 is about 20616.1573771642. The cubic root of 425025945 is about 751.8625971466.

The spelling of 425025945 in words is "four hundred twenty-five million, twenty-five thousand, nine hundred forty-five".