425309541 has 4 divisors (see below), whose sum is σ = 567079392. Its totient is φ = 283539692.

The previous prime is 425309539. The next prime is 425309567. The reversal of 425309541 is 145903524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425309541 - 2¹ = 425309539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425309531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70884921 + ... + 70884926.

It is an arithmetic number, because the mean of its divisors is an integer number (141769848).

Almost surely, 2^425309541 is an apocalyptic number.

It is an amenable number.

425309541 is a deficient number, since it is larger than the sum of its proper divisors (141769851).

425309541 is a wasteful number, since it uses less digits than its factorization.

425309541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141769850.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 425309541 is about 20623.0342335942. The cubic root of 425309541 is about 752.0297852291.

The spelling of 425309541 in words is "four hundred twenty-five million, three hundred nine thousand, five hundred forty-one".