425415761 has 8 divisors (see below), whose sum is σ = 440334120. Its totient is φ = 410514048.

The previous prime is 425415743. The next prime is 425415779. The reversal of 425415761 is 167514524.

It is an interprime number because it is at equal distance from previous prime (425415743) and next prime (425415779).

It can be written as a sum of positive squares in 4 ways, for example, as 231361 + 425184400 = 481^2 + 20620^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425415761 - 2²² = 421221457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425415721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71285 + ... + 77021.

It is an arithmetic number, because the mean of its divisors is an integer number (55041765).

Almost surely, 2^425415761 is an apocalyptic number.

It is an amenable number.

425415761 is a deficient number, since it is larger than the sum of its proper divisors (14918359).

425415761 is a wasteful number, since it uses less digits than its factorization.

425415761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its digits is 33600, while the sum is 35.

The square root of 425415761 is about 20625.6093485744. The cubic root of 425415761 is about 752.0923858740.

The spelling of 425415761 in words is "four hundred twenty-five million, four hundred fifteen thousand, seven hundred sixty-one".