425444501 has 4 divisors (see below), whose sum is σ = 443942112. Its totient is φ = 406946892.

The previous prime is 425444491. The next prime is 425444531. The reversal of 425444501 is 105444524.

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 425444501 - 2¹⁰ = 425443477 is a prime.

It is a super-2 number, since 2×425444501² = 362006046862278002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425444531) 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, 9248771 + ... + 9248816.

It is an arithmetic number, because the mean of its divisors is an integer number (110985528).

Almost surely, 2^425444501 is an apocalyptic number.

It is an amenable number.

425444501 is a deficient number, since it is larger than the sum of its proper divisors (18497611).

425444501 is a wasteful number, since it uses less digits than its factorization.

425444501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18497610.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 425444501 is about 20626.3060434970. The cubic root of 425444501 is about 752.1093219715.

The spelling of 425444501 in words is "four hundred twenty-five million, four hundred forty-four thousand, five hundred one".