425504501 has 8 divisors (see below), whose sum is σ = 440623800. Its totient is φ = 410415040.

The previous prime is 425504473. The next prime is 425504503. The reversal of 425504501 is 105405524.

It can be written as a sum of positive squares in 4 ways, for example, as 35402500 + 390102001 = 5950^2 + 19751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425504501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425504503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23855 + ... + 37683.

It is an arithmetic number, because the mean of its divisors is an integer number (55077975).

Almost surely, 2^425504501 is an apocalyptic number.

It is an amenable number.

425504501 is a deficient number, since it is larger than the sum of its proper divisors (15119299).

425504501 is a wasteful number, since it uses less digits than its factorization.

425504501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 425504501 is about 20627.7604455743. The cubic root of 425504501 is about 752.1446767107.

The spelling of 425504501 in words is "four hundred twenty-five million, five hundred four thousand, five hundred one".