61211602 has 16 divisors (see below), whose sum is σ = 97244352. Its totient is φ = 28836720.

The previous prime is 61211599. The next prime is 61211603. The reversal of 61211602 is 20611216.

It is a self number, because there is not a number n which added to its sum of digits gives 61211602.

It is not an unprimeable number, because it can be changed into a prime (61211603) 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, 6849 + ... + 13012.

It is an arithmetic number, because the mean of its divisors is an integer number (6077772).

Almost surely, 2^61211602 is an apocalyptic number.

61211602 is a deficient number, since it is larger than the sum of its proper divisors (36032750).

61211602 is a wasteful number, since it uses less digits than its factorization.

61211602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19953.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 61211602 is about 7823.7843784194. The cubic root of 61211602 is about 394.1043682386.

Adding to 61211602 its reverse (20611216), we get a palindrome (81822818).

The spelling of 61211602 in words is "sixty-one million, two hundred eleven thousand, six hundred two".