425837441 has 2 divisors, whose sum is σ = 425837442. Its totient is φ = 425837440.

The previous prime is 425837431. The next prime is 425837473. The reversal of 425837441 is 144738524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343027441 + 82810000 = 18521^2 + 9100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425837441 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425837395 and 425837404.

It is not a weakly prime, because it can be changed into another prime (425837411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212918720 + 212918721.

It is an arithmetic number, because the mean of its divisors is an integer number (212918721).

Almost surely, 2^425837441 is an apocalyptic number.

It is an amenable number.

425837441 is a deficient number, since it is larger than the sum of its proper divisors (1).

425837441 is an equidigital number, since it uses as much as digits as its factorization.

425837441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 425837441 is about 20635.8290601565. The cubic root of 425837441 is about 752.3407997930.

The spelling of 425837441 in words is "four hundred twenty-five million, eight hundred thirty-seven thousand, four hundred forty-one".