406502051 has 8 divisors (see below), whose sum is σ = 412651008. Its totient is φ = 400365000.

The previous prime is 406502021. The next prime is 406502081. The reversal of 406502051 is 150205604.

It is an interprime number because it is at equal distance from previous prime (406502021) and next prime (406502081).

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

It is a cyclic number.

It is not a de Polignac number, because 406502051 - 2¹⁰ = 406501027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406502021) 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, 85076 + ... + 89726.

It is an arithmetic number, because the mean of its divisors is an integer number (51581376).

Almost surely, 2^406502051 is an apocalyptic number.

406502051 is a deficient number, since it is larger than the sum of its proper divisors (6148957).

406502051 is a wasteful number, since it uses less digits than its factorization.

406502051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 406502051 is about 20161.8960169921. The cubic root of 406502051 is about 740.7771546862. Note that the first 3 decimals are identical.

Adding to 406502051 its reverse (150205604), we get a palindrome (556707655).

The spelling of 406502051 in words is "four hundred six million, five hundred two thousand, fifty-one".