61942901 has 2 divisors, whose sum is σ = 61942902. Its totient is φ = 61942900.

The previous prime is 61942891. The next prime is 61942913. The reversal of 61942901 is 10924916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 24108100 = 6151^2 + 4910^2 .

It is a cyclic number.

It is not a de Polignac number, because 61942901 - 2¹⁰ = 61941877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61942931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30971450 + 30971451.

It is an arithmetic number, because the mean of its divisors is an integer number (30971451).

Almost surely, 2^61942901 is an apocalyptic number.

It is an amenable number.

61942901 is a deficient number, since it is larger than the sum of its proper divisors (1).

61942901 is an equidigital number, since it uses as much as digits as its factorization.

61942901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 61942901 is about 7870.3812487071. The cubic root of 61942901 is about 395.6676227614.

The spelling of 61942901 in words is "sixty-one million, nine hundred forty-two thousand, nine hundred one".