61475401 has 8 divisors (see below), whose sum is σ = 66281544. Its totient is φ = 56680320.

The previous prime is 61475371. The next prime is 61475411. The reversal of 61475401 is 10457416.

It can be written as a sum of positive squares in 4 ways, for example, as 8549776 + 52925625 = 2924^2 + 7275^2 .

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 61475401 - 2⁵ = 61475369 is a prime.

It is a super-2 number, since 2×61475401² = 7558449856221602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61475401.

It is not an unprimeable number, because it can be changed into a prime (61475411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11565 + ... + 16021.

It is an arithmetic number, because the mean of its divisors is an integer number (8285193).

Almost surely, 2^61475401 is an apocalyptic number.

It is an amenable number.

61475401 is a deficient number, since it is larger than the sum of its proper divisors (4806143).

61475401 is a wasteful number, since it uses less digits than its factorization.

61475401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 61475401 is about 7840.6250388601. The cubic root of 61475401 is about 394.6697041244.

The spelling of 61475401 in words is "sixty-one million, four hundred seventy-five thousand, four hundred one".