407542983 has 4 divisors (see below), whose sum is σ = 543390648. Its totient is φ = 271695320.

The previous prime is 407542973. The next prime is 407542987. The reversal of 407542983 is 389245704.

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 407542983 - 2²⁶ = 340434119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407542987) 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, 67923828 + ... + 67923833.

It is an arithmetic number, because the mean of its divisors is an integer number (135847662).

Almost surely, 2^407542983 is an apocalyptic number.

407542983 is a deficient number, since it is larger than the sum of its proper divisors (135847665).

407542983 is a wasteful number, since it uses less digits than its factorization.

407542983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135847664.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 407542983 is about 20187.6938504625. The cubic root of 407542983 is about 741.4089197598.

The spelling of 407542983 in words is "four hundred seven million, five hundred forty-two thousand, nine hundred eighty-three".