425674641 has 16 divisors (see below), whose sum is σ = 660887424. Its totient is φ = 238652544.

The previous prime is 425674637. The next prime is 425674643. The reversal of 425674641 is 146476524.

It is not a de Polignac number, because 425674641 - 2² = 425674637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425674641.

It is not an unprimeable number, because it can be changed into a prime (425674643) 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, 190116 + ... + 192341.

It is an arithmetic number, because the mean of its divisors is an integer number (41305464).

Almost surely, 2^425674641 is an apocalyptic number.

It is an amenable number.

425674641 is a deficient number, since it is larger than the sum of its proper divisors (235212783).

425674641 is a wasteful number, since it uses less digits than its factorization.

425674641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382520.

The product of its digits is 161280, while the sum is 39.

The square root of 425674641 is about 20631.8840874991. The cubic root of 425674641 is about 752.2449128949.

The spelling of 425674641 in words is "four hundred twenty-five million, six hundred seventy-four thousand, six hundred forty-one".