425614477 has 4 divisors (see below), whose sum is σ = 428471100. Its totient is φ = 422757856.

The previous prime is 425614463. The next prime is 425614523. The reversal of 425614477 is 774416524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17816841 + 407797636 = 4221^2 + 20194^2 .

It is a cyclic number.

It is not a de Polignac number, because 425614477 - 2⁷ = 425614349 is a prime.

It is a super-2 number, since 2×425614477² = 362295366063967058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425614417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428088 + ... + 1428385.

It is an arithmetic number, because the mean of its divisors is an integer number (107117775).

Almost surely, 2^425614477 is an apocalyptic number.

It is an amenable number.

425614477 is a deficient number, since it is larger than the sum of its proper divisors (2856623).

425614477 is a wasteful number, since it uses less digits than its factorization.

425614477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856622.

The product of its digits is 188160, while the sum is 40.

The square root of 425614477 is about 20630.4260014184. The cubic root of 425614477 is about 752.2094709627.

The spelling of 425614477 in words is "four hundred twenty-five million, six hundred fourteen thousand, four hundred seventy-seven".