4525407 has 12 divisors (see below), whose sum is σ = 6644664. Its totient is φ = 2967120.

The previous prime is 4525399. The next prime is 4525427. The reversal of 4525407 is 7045254.

It is not a de Polignac number, because 4525407 - 2³ = 4525399 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

4525407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4525427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3573 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (553722).

Almost surely, 2^4525407 is an apocalyptic number.

4525407 is a deficient number, since it is larger than the sum of its proper divisors (2119257).

4525407 is a wasteful number, since it uses less digits than its factorization.

4525407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310 (or 8307 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4525407 is about 2127.3004019179. The cubic root of 4525407 is about 165.4064908674.

It can be divided in two parts, 45 and 25407, that added together give a palindrome (25452).

The spelling of 4525407 in words is "four million, five hundred twenty-five thousand, four hundred seven".