61901 has 8 divisors (see below), whose sum is σ = 72960. Its totient is φ = 51408.

The previous prime is 61879. The next prime is 61909. The reversal of 61901 is 10916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61901 - 2⁶ = 61837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 61901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 378.

It is an arithmetic number, because the mean of its divisors is an integer number (9120).

2⁶¹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

61901 is a deficient number, since it is larger than the sum of its proper divisors (11059).

61901 is a wasteful number, since it uses less digits than its factorization.

61901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 61901 is about 248.7991157541. The cubic root of 61901 is about 39.5578386769.

The spelling of 61901 in words is "sixty-one thousand, nine hundred one".