61401430 has 16 divisors (see below), whose sum is σ = 110633040. Its totient is φ = 24536032.

The previous prime is 61401427. The next prime is 61401449. The reversal of 61401430 is 3410416.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61401398 and 61401407.

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, 10152 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (6914565).

Almost surely, 2^61401430 is an apocalyptic number.

61401430 is a deficient number, since it is larger than the sum of its proper divisors (49231610).

61401430 is a wasteful number, since it uses less digits than its factorization.

61401430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61401430 is about 7835.9064568179. The cubic root of 61401430 is about 394.5113436017.

Adding to 61401430 its reverse (3410416), we get a palindrome (64811846).

The spelling of 61401430 in words is "sixty-one million, four hundred one thousand, four hundred thirty".