425674751 has 8 divisors (see below), whose sum is σ = 447843984. Its totient is φ = 404066880.

The previous prime is 425674741. The next prime is 425674763. The reversal of 425674751 is 157476524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425674751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 425674699 and 425674708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425674721) 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, 138785 + ... + 141818.

It is an arithmetic number, because the mean of its divisors is an integer number (55980498).

Almost surely, 2^425674751 is an apocalyptic number.

425674751 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

425674751 is a deficient number, since it is larger than the sum of its proper divisors (22169233).

425674751 is a wasteful number, since it uses less digits than its factorization.

425674751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280681.

The product of its digits is 235200, while the sum is 41.

The square root of 425674751 is about 20631.8867532759. The cubic root of 425674751 is about 752.2449776916.

The spelling of 425674751 in words is "four hundred twenty-five million, six hundred seventy-four thousand, seven hundred fifty-one".