61425024 has 64 divisors (see below), whose sum is σ = 171768000. Its totient is φ = 19395072.

The previous prime is 61425017. The next prime is 61425037. The reversal of 61425024 is 42052416.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×61425024³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 61424985 and 61425003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087 + ... + 11505.

It is an arithmetic number, because the mean of its divisors is an integer number (2683875).

Almost surely, 2^61425024 is an apocalyptic number.

61425024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61425024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85884000).

61425024 is an abundant number, since it is smaller than the sum of its proper divisors (110342976).

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

61425024 is a wasteful number, since it uses less digits than its factorization.

61425024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455 (or 8443 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 61425024 is about 7837.4118176857. The cubic root of 61425024 is about 394.5618685306.

The spelling of 61425024 in words is "sixty-one million, four hundred twenty-five thousand, twenty-four".