427261357 has 6 divisors (see below), whose sum is σ = 453873098. Its totient is φ = 402128064.

The previous prime is 427261327. The next prime is 427261381. The reversal of 427261357 is 753162724.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 80892036 + 346369321 = 8994^2 + 18611^2 .

It is not a de Polignac number, because 427261357 - 2⁷ = 427261229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427261327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738918 + ... + 739495.

Almost surely, 2^427261357 is an apocalyptic number.

It is an amenable number.

427261357 is a deficient number, since it is larger than the sum of its proper divisors (26611741).

427261357 is a wasteful number, since it uses less digits than its factorization.

427261357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478447 (or 1478430 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 427261357 is about 20670.3013282342. The cubic root of 427261357 is about 753.1784263723.

The spelling of 427261357 in words is "four hundred twenty-seven million, two hundred sixty-one thousand, three hundred fifty-seven".