61002146 has 16 divisors (see below), whose sum is σ = 94293504. Its totient is φ = 29582784.

The previous prime is 61002143. The next prime is 61002157. The reversal of 61002146 is 64120016.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61002143) 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, 7751 + ... + 13493.

It is an arithmetic number, because the mean of its divisors is an integer number (5893344).

Almost surely, 2^61002146 is an apocalyptic number.

61002146 is a deficient number, since it is larger than the sum of its proper divisors (33291358).

61002146 is a wasteful number, since it uses less digits than its factorization.

61002146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 61002146 is about 7810.3870582705. The cubic root of 61002146 is about 393.6543344981.

The spelling of 61002146 in words is "sixty-one million, two thousand, one hundred forty-six".