61421435 has 8 divisors (see below), whose sum is σ = 75096720. Its totient is φ = 48209824.

The previous prime is 61421413. The next prime is 61421441. The reversal of 61421435 is 53412416.

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

It is a cyclic number.

It is not a de Polignac number, because 61421435 - 2⁸ = 61421179 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115625 + ... + 116154.

It is an arithmetic number, because the mean of its divisors is an integer number (9387090).

Almost surely, 2^61421435 is an apocalyptic number.

61421435 is a deficient number, since it is larger than the sum of its proper divisors (13675285).

61421435 is a wasteful number, since it uses less digits than its factorization.

61421435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231837.

The product of its digits is 2880, while the sum is 26.

The square root of 61421435 is about 7837.1828484475. The cubic root of 61421435 is about 394.5541837683.

The spelling of 61421435 in words is "sixty-one million, four hundred twenty-one thousand, four hundred thirty-five".