61402 has 8 divisors (see below), whose sum is σ = 100512. Its totient is φ = 27900.

The previous prime is 61381. The next prime is 61403. The reversal of 61402 is 20416.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (12564).

2⁶¹⁴⁰² is an apocalyptic number.

61402 is a deficient number, since it is larger than the sum of its proper divisors (39110).

61402 is a wasteful number, since it uses less digits than its factorization.

61402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 61402 is about 247.7942695060. The cubic root of 61402 is about 39.4512564370.

Adding to 61402 its reverse (20416), we get a palindrome (81818).

The spelling of 61402 in words is "sixty-one thousand, four hundred two".