61151484 has 12 divisors (see below), whose sum is σ = 142686824. Its totient is φ = 20383824.

The previous prime is 61151483. The next prime is 61151509. The reversal of 61151484 is 48415116.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61151483) 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, 2547967 + ... + 2547990.

Almost surely, 2^61151484 is an apocalyptic number.

It is an amenable number.

61151484 is an abundant number, since it is smaller than the sum of its proper divisors (81535340).

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

61151484 is a wasteful number, since it uses less digits than its factorization.

61151484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095964 (or 5095962 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 61151484 is about 7819.9414320057. The cubic root of 61151484 is about 393.9753048674.

The spelling of 61151484 in words is "sixty-one million, one hundred fifty-one thousand, four hundred eighty-four".