90107461 has 2 divisors, whose sum is σ = 90107462. Its totient is φ = 90107460.

The previous prime is 90107447. The next prime is 90107467. The reversal of 90107461 is 16470109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 11519236 = 8865^2 + 3394^2 .

It is an emirp because it is prime and its reverse (16470109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90107461 - 2⁷ = 90107333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90107467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45053730 + 45053731.

It is an arithmetic number, because the mean of its divisors is an integer number (45053731).

Almost surely, 2^90107461 is an apocalyptic number.

It is an amenable number.

90107461 is a deficient number, since it is larger than the sum of its proper divisors (1).

90107461 is an equidigital number, since it uses as much as digits as its factorization.

90107461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 90107461 is about 9492.4949828799. The cubic root of 90107461 is about 448.3187652829.

It can be divided in two parts, 9010 and 7461, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 90107461 in words is "ninety million, one hundred seven thousand, four hundred sixty-one".