425020515 has 16 divisors (see below), whose sum is σ = 692864928. Its totient is φ = 222400256.

The previous prime is 425020513. The next prime is 425020537. The reversal of 425020515 is 515020524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425020515 - 2¹ = 425020513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425020513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266514 + ... + 268103.

It is an arithmetic number, because the mean of its divisors is an integer number (43304058).

Almost surely, 2^425020515 is an apocalyptic number.

425020515 is a deficient number, since it is larger than the sum of its proper divisors (267844413).

425020515 is a wasteful number, since it uses less digits than its factorization.

425020515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534678.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 425020515 is about 20616.0256839188. The cubic root of 425020515 is about 751.8593952783.

Subtracting 425020515 from its reverse (515020524), we obtain a palindrome (90000009).

The spelling of 425020515 in words is "four hundred twenty-five million, twenty thousand, five hundred fifteen".