425142543 has 32 divisors (see below), whose sum is σ = 667146240. Its totient is φ = 235733760.

The previous prime is 425142479. The next prime is 425142547. The reversal of 425142543 is 345241524.

It is not a de Polignac number, because 425142543 - 2⁶ = 425142479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425142543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425142547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558283 + ... + 559043.

It is an arithmetic number, because the mean of its divisors is an integer number (20848320).

Almost surely, 2^425142543 is an apocalyptic number.

425142543 is a deficient number, since it is larger than the sum of its proper divisors (242003697).

425142543 is a wasteful number, since it uses less digits than its factorization.

425142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its digits is 19200, while the sum is 30.

The square root of 425142543 is about 20618.9850138168. The cubic root of 425142543 is about 751.9313440555.

The spelling of 425142543 in words is "four hundred twenty-five million, one hundred forty-two thousand, five hundred forty-three".