61450101 has 12 divisors (see below), whose sum is σ = 91822380. Its totient is φ = 39553920.

The previous prime is 61450099. The next prime is 61450111. The reversal of 61450101 is 10105416.

61450101 is a `hidden beast` number, since 614 + 50 + 1 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45887076 + 15563025 = 6774^2 + 3945^2 .

It is not a de Polignac number, because 61450101 - 2¹ = 61450099 is a prime.

It is a super-2 number, since 2×61450101² = 7552229825820402, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61450111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117460 + ... + 117981.

It is an arithmetic number, because the mean of its divisors is an integer number (7651865).

Almost surely, 2^61450101 is an apocalyptic number.

It is an amenable number.

61450101 is a deficient number, since it is larger than the sum of its proper divisors (30372279).

61450101 is a wasteful number, since it uses less digits than its factorization.

61450101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235476 (or 235473 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 61450101 is about 7839.0114810478. The cubic root of 61450101 is about 394.6155550206.

Adding to 61450101 its reverse (10105416), we get a palindrome (71555517).

The spelling of 61450101 in words is "sixty-one million, four hundred fifty thousand, one hundred one".