61902841 has 48 divisors (see below), whose sum is σ = 86012928. Its totient is φ = 43243200.

The previous prime is 61902839. The next prime is 61902847. The reversal of 61902841 is 14820916.

It is a happy number.

It is not a de Polignac number, because 61902841 - 2¹ = 61902839 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (61902847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 871836 + ... + 871906.

It is an arithmetic number, because the mean of its divisors is an integer number (1791936).

Almost surely, 2^61902841 is an apocalyptic number.

It is an amenable number.

61902841 is a deficient number, since it is larger than the sum of its proper divisors (24110087).

61902841 is a wasteful number, since it uses less digits than its factorization.

61902841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 61902841 is about 7867.8358523802. The cubic root of 61902841 is about 395.5823083676.

The spelling of 61902841 in words is "sixty-one million, nine hundred two thousand, eight hundred forty-one".