425743501 has 4 divisors (see below), whose sum is σ = 444254112. Its totient is φ = 407232892.

The previous prime is 425743499. The next prime is 425743537. The reversal of 425743501 is 105347524.

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 425743501 - 2¹ = 425743499 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 (425743001) 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, 9255271 + ... + 9255316.

It is an arithmetic number, because the mean of its divisors is an integer number (111063528).

Almost surely, 2^425743501 is an apocalyptic number.

It is an amenable number.

425743501 is a deficient number, since it is larger than the sum of its proper divisors (18510611).

425743501 is a wasteful number, since it uses less digits than its factorization.

425743501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18510610.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 425743501 is about 20633.5527963557. The cubic root of 425743501 is about 752.2854734442.

The spelling of 425743501 in words is "four hundred twenty-five million, seven hundred forty-three thousand, five hundred one".