457068261 has 8 divisors (see below), whose sum is σ = 656303200. Its totient is φ = 281272752.

The previous prime is 457068253. The next prime is 457068281. The reversal of 457068261 is 162860754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 457068261 - 2³ = 457068253 is a prime.

It is a super-2 number, since 2×457068261² = 417822790427128242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 11719699 = 457068261 / (4 + 5 + 7 + 0 + 6 + 8 + 2 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457068211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5859811 + ... + 5859888.

It is an arithmetic number, because the mean of its divisors is an integer number (82037900).

Almost surely, 2^457068261 is an apocalyptic number.

It is an amenable number.

457068261 is a deficient number, since it is larger than the sum of its proper divisors (199234939).

457068261 is a wasteful number, since it uses less digits than its factorization.

457068261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11719715.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 457068261 is about 21379.1548242675. The cubic root of 457068261 is about 770.3008106750.

The spelling of 457068261 in words is "four hundred fifty-seven million, sixty-eight thousand, two hundred sixty-one".