425723534 has 4 divisors (see below), whose sum is σ = 638585304. Its totient is φ = 212861766.

The previous prime is 425723533. The next prime is 425723549. The reversal of 425723534 is 435327524.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 425723494 and 425723503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425723531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106430882 + ... + 106430885.

It is an arithmetic number, because the mean of its divisors is an integer number (159646326).

Almost surely, 2^425723534 is an apocalyptic number.

425723534 is a deficient number, since it is larger than the sum of its proper divisors (212861770).

425723534 is a wasteful number, since it uses less digits than its factorization.

425723534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212861769.

The product of its digits is 100800, while the sum is 35.

The square root of 425723534 is about 20633.0689428403. The cubic root of 425723534 is about 752.2737127488.

The spelling of 425723534 in words is "four hundred twenty-five million, seven hundred twenty-three thousand, five hundred thirty-four".