425402534 has 4 divisors (see below), whose sum is σ = 638103804. Its totient is φ = 212701266.

The previous prime is 425402531. The next prime is 425402557. The reversal of 425402534 is 435204524.

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 = 425402497 and 425402506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425402531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106350632 + ... + 106350635.

It is an arithmetic number, because the mean of its divisors is an integer number (159525951).

Almost surely, 2^425402534 is an apocalyptic number.

425402534 is a deficient number, since it is larger than the sum of its proper divisors (212701270).

425402534 is a wasteful number, since it uses less digits than its factorization.

425402534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212701269.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 425402534 is about 20625.2887010097. The cubic root of 425402534 is about 752.0845911236.

The spelling of 425402534 in words is "four hundred twenty-five million, four hundred two thousand, five hundred thirty-four".