45212563 has 4 divisors (see below), whose sum is σ = 49322808. Its totient is φ = 41102320.

The previous prime is 45212527. The next prime is 45212567. The reversal of 45212563 is 36521254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45212563 - 2⁹ = 45212051 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45212567) 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, 2055106 + ... + 2055127.

It is an arithmetic number, because the mean of its divisors is an integer number (12330702).

Almost surely, 2^45212563 is an apocalyptic number.

45212563 is a deficient number, since it is larger than the sum of its proper divisors (4110245).

45212563 is a wasteful number, since it uses less digits than its factorization.

45212563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110244.

The product of its digits is 7200, while the sum is 28.

The square root of 45212563 is about 6724.0287774518. The cubic root of 45212563 is about 356.2484982803.

The spelling of 45212563 in words is "forty-five million, two hundred twelve thousand, five hundred sixty-three".