61451862 has 8 divisors (see below), whose sum is σ = 122903736. Its totient is φ = 20483952.

The previous prime is 61451861. The next prime is 61451869. The reversal of 61451862 is 26815416.

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

61451862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61451861) 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, 5120983 + ... + 5120994.

It is an arithmetic number, because the mean of its divisors is an integer number (15362967).

Almost surely, 2^61451862 is an apocalyptic number.

61451862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61451862 is a wasteful number, since it uses less digits than its factorization.

61451862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10241982.

The product of its digits is 11520, while the sum is 33.

The square root of 61451862 is about 7839.1238030790. The cubic root of 61451862 is about 394.6193245362.

The spelling of 61451862 in words is "sixty-one million, four hundred fifty-one thousand, eight hundred sixty-two".