425123507 has 8 divisors (see below), whose sum is σ = 434460672. Its totient is φ = 415798600.

The previous prime is 425123473. The next prime is 425123551. The reversal of 425123507 is 705321524.

It is a happy number.

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-425123507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425123507.

It is not an unprimeable number, because it can be changed into a prime (425122507) 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, 120032 + ... + 123522.

It is an arithmetic number, because the mean of its divisors is an integer number (54307584).

Almost surely, 2^425123507 is an apocalyptic number.

425123507 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

425123507 is a deficient number, since it is larger than the sum of its proper divisors (9337165).

425123507 is a wasteful number, since it uses less digits than its factorization.

425123507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 425123507 is about 20618.5233952386. The cubic root of 425123507 is about 751.9201211697.

The spelling of 425123507 in words is "four hundred twenty-five million, one hundred twenty-three thousand, five hundred seven".