254694642 has 32 divisors (see below), whose sum is σ = 519073920. Its totient is φ = 83291520.

The previous prime is 254694641. The next prime is 254694683. The reversal of 254694642 is 246496452.

It is a junction number, because it is equal to n+sod(n) for n = 254694594 and 254694603.

It is not an unprimeable number, because it can be changed into a prime (254694641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207643 + ... + 208865.

It is an arithmetic number, because the mean of its divisors is an integer number (16221060).

Almost surely, 2^254694642 is an apocalyptic number.

254694642 is an abundant number, since it is smaller than the sum of its proper divisors (264379278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254694642 is a wasteful number, since it uses less digits than its factorization.

254694642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its digits is 414720, while the sum is 42.

The square root of 254694642 is about 15959.1554287813. The cubic root of 254694642 is about 633.8793485811.

The spelling of 254694642 in words is "two hundred fifty-four million, six hundred ninety-four thousand, six hundred forty-two".