425310421 has 16 divisors (see below), whose sum is σ = 463267840. Its totient is φ = 388974960.

The previous prime is 425310419. The next prime is 425310461. The reversal of 425310421 is 124013524.

It is a cyclic number.

It is not a de Polignac number, because 425310421 - 2¹ = 425310419 is a prime.

It is a super-2 number, since 2×425310421² = 361777908422394482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425310392 and 425310401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425310461) 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, 378166 + ... + 379288.

It is an arithmetic number, because the mean of its divisors is an integer number (28954240).

Almost surely, 2^425310421 is an apocalyptic number.

It is an amenable number.

425310421 is a deficient number, since it is larger than the sum of its proper divisors (37957419).

425310421 is a wasteful number, since it uses less digits than its factorization.

425310421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 425310421 is about 20623.0555689500. The cubic root of 425310421 is about 752.0303038990.

Adding to 425310421 its reverse (124013524), we get a palindrome (549323945).

The spelling of 425310421 in words is "four hundred twenty-five million, three hundred ten thousand, four hundred twenty-one".