407540325 has 24 divisors (see below), whose sum is σ = 674528256. Its totient is φ = 217120000.

The previous prime is 407540323. The next prime is 407540327. The reversal of 407540325 is 523045704.

It is an interprime number because it is at equal distance from previous prime (407540323) and next prime (407540327).

It is not a de Polignac number, because 407540325 - 2¹ = 407540323 is a prime.

It is a super-2 number, since 2×407540325² = 332178233002211250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 407540292 and 407540301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407540321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83965 + ... + 88685.

It is an arithmetic number, because the mean of its divisors is an integer number (28105344).

Almost surely, 2^407540325 is an apocalyptic number.

It is an amenable number.

407540325 is a deficient number, since it is larger than the sum of its proper divisors (266987931).

407540325 is a wasteful number, since it uses less digits than its factorization.

407540325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885 (or 5880 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 407540325 is about 20187.6280181699. The cubic root of 407540325 is about 741.4073079305.

The spelling of 407540325 in words is "four hundred seven million, five hundred forty thousand, three hundred twenty-five".