415126661 has 2 divisors, whose sum is σ = 415126662. Its totient is φ = 415126660.

The previous prime is 415126651. The next prime is 415126667. The reversal of 415126661 is 166621514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375196900 + 39929761 = 19370^2 + 6319^2 .

It is a cyclic number.

It is not a de Polignac number, because 415126661 - 2²⁶ = 348017797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415126667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207563330 + 207563331.

It is an arithmetic number, because the mean of its divisors is an integer number (207563331).

Almost surely, 2^415126661 is an apocalyptic number.

It is an amenable number.

415126661 is a deficient number, since it is larger than the sum of its proper divisors (1).

415126661 is an equidigital number, since it uses as much as digits as its factorization.

415126661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 415126661 is about 20374.6573222717. The cubic root of 415126661 is about 745.9794699264.

The spelling of 415126661 in words is "four hundred fifteen million, one hundred twenty-six thousand, six hundred sixty-one".