424671261 has 16 divisors (see below), whose sum is σ = 681177600. Its totient is φ = 229897008.

The previous prime is 424671257. The next prime is 424671277. The reversal of 424671261 is 162176424.

It is not a de Polignac number, because 424671261 - 2² = 424671257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424671211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531771 + ... + 532568.

It is an arithmetic number, because the mean of its divisors is an integer number (42573600).

Almost surely, 2^424671261 is an apocalyptic number.

It is an amenable number.

424671261 is a deficient number, since it is larger than the sum of its proper divisors (256506339).

424671261 is a wasteful number, since it uses less digits than its factorization.

424671261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064368.

The product of its digits is 16128, while the sum is 33.

The square root of 424671261 is about 20607.5534938042. The cubic root of 424671261 is about 751.6533959197.

The spelling of 424671261 in words is "four hundred twenty-four million, six hundred seventy-one thousand, two hundred sixty-one".