1457020533 has 4 divisors (see below), whose sum is σ = 1942694048. Its totient is φ = 971347020.

The previous prime is 1457020519. The next prime is 1457020571. The reversal of 1457020533 is 3350207541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1457020533 - 2⁵ = 1457020501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457020533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457020573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242836753 + ... + 242836758.

It is an arithmetic number, because the mean of its divisors is an integer number (485673512).

Almost surely, 2^1457020533 is an apocalyptic number.

It is an amenable number.

1457020533 is a deficient number, since it is larger than the sum of its proper divisors (485673515).

1457020533 is an equidigital number, since it uses as much as digits as its factorization.

1457020533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485673514.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1457020533 is about 38170.9383300961. The cubic root of 1457020533 is about 1133.6749680465.

The spelling of 1457020533 in words is "one billion, four hundred fifty-seven million, twenty thousand, five hundred thirty-three".