425771513 has 4 divisors (see below), whose sum is σ = 448180560. Its totient is φ = 403362468.

The previous prime is 425771471. The next prime is 425771557. The reversal of 425771513 is 315177524.

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.

It is a cyclic number.

It is not a de Polignac number, because 425771513 - 2¹² = 425767417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425771573) 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, 11204495 + ... + 11204532.

It is an arithmetic number, because the mean of its divisors is an integer number (112045140).

Almost surely, 2^425771513 is an apocalyptic number.

It is an amenable number.

425771513 is a deficient number, since it is larger than the sum of its proper divisors (22409047).

425771513 is a wasteful number, since it uses less digits than its factorization.

425771513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22409046.

The product of its digits is 29400, while the sum is 35.

The square root of 425771513 is about 20634.2315824942. The cubic root of 425771513 is about 752.3019720782.

The spelling of 425771513 in words is "four hundred twenty-five million, seven hundred seventy-one thousand, five hundred thirteen".