425561515 has 16 divisors (see below), whose sum is σ = 530038080. Its totient is φ = 327617920.

The previous prime is 425561483. The next prime is 425561519. The reversal of 425561515 is 515165524.

It is not a de Polignac number, because 425561515 - 2⁵ = 425561483 is a prime.

It is a super-2 number, since 2×425561515² = 362205206098190450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425561519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40377 + ... + 49813.

It is an arithmetic number, because the mean of its divisors is an integer number (33127380).

Almost surely, 2^425561515 is an apocalyptic number.

425561515 is a deficient number, since it is larger than the sum of its proper divisors (104476565).

425561515 is a wasteful number, since it uses less digits than its factorization.

425561515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782.

The product of its digits is 30000, while the sum is 34.

The square root of 425561515 is about 20629.1423718971. The cubic root of 425561515 is about 752.1782688829.

The spelling of 425561515 in words is "four hundred twenty-five million, five hundred sixty-one thousand, five hundred fifteen".