61046261 has 2 divisors, whose sum is σ = 61046262. Its totient is φ = 61046260.

The previous prime is 61046243. The next prime is 61046267. The reversal of 61046261 is 16264016.

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., 60357361 + 688900 = 7769^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 61046261 - 2¹⁴ = 61029877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61046261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61046267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30523130 + 30523131.

It is an arithmetic number, because the mean of its divisors is an integer number (30523131).

Almost surely, 2^61046261 is an apocalyptic number.

It is an amenable number.

61046261 is a deficient number, since it is larger than the sum of its proper divisors (1).

61046261 is an equidigital number, since it uses as much as digits as its factorization.

61046261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 61046261 is about 7813.2106716765. The cubic root of 61046261 is about 393.7492048023.

The spelling of 61046261 in words is "sixty-one million, forty-six thousand, two hundred sixty-one".