425140306 has 4 divisors (see below), whose sum is σ = 637710462. Its totient is φ = 212570152.

The previous prime is 425140291. The next prime is 425140307. The reversal of 425140306 is 603041524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 409860025 + 15280281 = 20245^2 + 3909^2 .

It is not an unprimeable number, because it can be changed into a prime (425140307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106285075 + ... + 106285078.

Almost surely, 2^425140306 is an apocalyptic number.

425140306 is a deficient number, since it is larger than the sum of its proper divisors (212570156).

425140306 is a wasteful number, since it uses less digits than its factorization.

425140306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212570155.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 425140306 is about 20618.9307676223. The cubic root of 425140306 is about 751.9300252246.

The spelling of 425140306 in words is "four hundred twenty-five million, one hundred forty thousand, three hundred six".