425712515 has 4 divisors (see below), whose sum is σ = 510855024. Its totient is φ = 340570008.

The previous prime is 425712503. The next prime is 425712517. The reversal of 425712515 is 515217524.

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

It is a cyclic number.

It is not a de Polignac number, because 425712515 - 2¹⁶ = 425646979 is a prime.

It is a super-2 number, since 2×425712515² = 362462290855250450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425712517) 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, 42571247 + ... + 42571256.

It is an arithmetic number, because the mean of its divisors is an integer number (127713756).

Almost surely, 2^425712515 is an apocalyptic number.

425712515 is a deficient number, since it is larger than the sum of its proper divisors (85142509).

425712515 is an equidigital number, since it uses as much as digits as its factorization.

425712515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85142508.

The product of its digits is 14000, while the sum is 32.

The square root of 425712515 is about 20632.8019183047. The cubic root of 425712515 is about 752.2672223273.

The spelling of 425712515 in words is "four hundred twenty-five million, seven hundred twelve thousand, five hundred fifteen".