61046421 has 16 divisors (see below), whose sum is σ = 85589760. Its totient is φ = 38646720.

The previous prime is 61046387. The next prime is 61046441. The reversal of 61046421 is 12464016.

It is not a de Polignac number, because 61046421 - 2⁶ = 61046357 is a prime.

It is a Curzon number.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 61046391 and 61046400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61046441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445 + ... + 11058.

It is an arithmetic number, because the mean of its divisors is an integer number (5349360).

Almost surely, 2^61046421 is an apocalyptic number.

61046421 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61046421 is a deficient number, since it is larger than the sum of its proper divisors (24543339).

61046421 is a wasteful number, since it uses less digits than its factorization.

61046421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61046421 is about 7813.2209107384. The cubic root of 61046421 is about 393.7495488027.

The spelling of 61046421 in words is "sixty-one million, forty-six thousand, four hundred twenty-one".