425771413 has 4 divisors (see below), whose sum is σ = 425813760. Its totient is φ = 425729068.

The previous prime is 425771407. The next prime is 425771471. The reversal of 425771413 is 314177524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 425771413 - 2⁹ = 425770901 is a prime.

It is a super-2 number, since 2×425771413² = 362562592256033138, 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 (425771813) 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, 3468 + ... + 29386.

It is an arithmetic number, because the mean of its divisors is an integer number (106453440).

Almost surely, 2^425771413 is an apocalyptic number.

It is an amenable number.

425771413 is a deficient number, since it is larger than the sum of its proper divisors (42347).

425771413 is a wasteful number, since it uses less digits than its factorization.

425771413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42346.

The product of its digits is 23520, while the sum is 34.

The square root of 425771413 is about 20634.2291593362. The cubic root of 425771413 is about 752.3019131810.

The spelling of 425771413 in words is "four hundred twenty-five million, seven hundred seventy-one thousand, four hundred thirteen".