1406407061 has 2 divisors, whose sum is σ = 1406407062. Its totient is φ = 1406407060.

The previous prime is 1406407031. The next prime is 1406407109. The reversal of 1406407061 is 1607046041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817616836 + 588790225 = 28594^2 + 24265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406407061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406407031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703203530 + 703203531.

It is an arithmetic number, because the mean of its divisors is an integer number (703203531).

Almost surely, 2^1406407061 is an apocalyptic number.

It is an amenable number.

1406407061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406407061 is an equidigital number, since it uses as much as digits as its factorization.

1406407061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1406407061 is about 37502.0940881973. The cubic root of 1406407061 is about 1120.3928949479.

The spelling of 1406407061 in words is "one billion, four hundred six million, four hundred seven thousand, sixty-one".