425021145 has 16 divisors (see below), whose sum is σ = 680289792. Its totient is φ = 226592640.

The previous prime is 425021119. The next prime is 425021147. The reversal of 425021145 is 541120524.

It is not a de Polignac number, because 425021145 - 2¹³ = 425012953 is a prime.

It is a super-2 number, since 2×425021145² = 361285947394222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425021147) 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, 72525 + ... + 78165.

It is an arithmetic number, because the mean of its divisors is an integer number (42518112).

Almost surely, 2^425021145 is an apocalyptic number.

It is an amenable number.

425021145 is a deficient number, since it is larger than the sum of its proper divisors (255268647).

425021145 is a wasteful number, since it uses less digits than its factorization.

425021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 425021145 is about 20616.0409632888. The cubic root of 425021145 is about 751.8597667672.

Adding to 425021145 its reverse (541120524), we get a palindrome (966141669).

The spelling of 425021145 in words is "four hundred twenty-five million, twenty-one thousand, one hundred forty-five".