407981701 has 2 divisors, whose sum is σ = 407981702. Its totient is φ = 407981700.

The previous prime is 407981689. The next prime is 407981719. The reversal of 407981701 is 107189704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212401476 + 195580225 = 14574^2 + 13985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407981701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407981771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203990850 + 203990851.

It is an arithmetic number, because the mean of its divisors is an integer number (203990851).

Almost surely, 2^407981701 is an apocalyptic number.

It is an amenable number.

407981701 is a deficient number, since it is larger than the sum of its proper divisors (1).

407981701 is an equidigital number, since it uses as much as digits as its factorization.

407981701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 407981701 is about 20198.5569038979. The cubic root of 407981701 is about 741.6748653613.

The spelling of 407981701 in words is "four hundred seven million, nine hundred eighty-one thousand, seven hundred one".