425641501 has 8 divisors (see below), whose sum is σ = 440785664. Its totient is φ = 410585760.

The previous prime is 425641499. The next prime is 425641523. The reversal of 425641501 is 105146524.

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

It is a cyclic number.

It is not a de Polignac number, because 425641501 - 2¹ = 425641499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425641501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425641561) 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, 12231 + ... + 31636.

It is an arithmetic number, because the mean of its divisors is an integer number (55098208).

Almost surely, 2^425641501 is an apocalyptic number.

It is an amenable number.

425641501 is a deficient number, since it is larger than the sum of its proper divisors (15144163).

425641501 is a wasteful number, since it uses less digits than its factorization.

425641501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44211.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 425641501 is about 20631.0809459902. The cubic root of 425641501 is about 752.2253909087.

It can be divided in two parts, 42564150 and 1, that added together give a triangular number (42564151 = T₉₂₂₆).

The spelling of 425641501 in words is "four hundred twenty-five million, six hundred forty-one thousand, five hundred one".