1474461661 has 2 divisors, whose sum is σ = 1474461662. Its totient is φ = 1474461660.

The previous prime is 1474461647. The next prime is 1474461673. The reversal of 1474461661 is 1661644741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1350562500 + 123899161 = 36750^2 + 11131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474461661 - 2⁷ = 1474461533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1474461631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737230830 + 737230831.

It is an arithmetic number, because the mean of its divisors is an integer number (737230831).

Almost surely, 2^1474461661 is an apocalyptic number.

It is an amenable number.

1474461661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1474461661 is an equidigital number, since it uses as much as digits as its factorization.

1474461661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 1474461661 is about 38398.7195229216. The cubic root of 1474461661 is about 1138.1805544054.

The spelling of 1474461661 in words is "one billion, four hundred seventy-four million, four hundred sixty-one thousand, six hundred sixty-one".