61292101 has 4 divisors (see below), whose sum is σ = 66006892. Its totient is φ = 56577312.

The previous prime is 61292083. The next prime is 61292131. The reversal of 61292101 is 10129216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 31371201 = 5470^2 + 5601^2 .

It is a cyclic number.

It is not a de Polignac number, because 61292101 - 2¹⁹ = 60767813 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61292131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357376 + ... + 2357401.

It is an arithmetic number, because the mean of its divisors is an integer number (16501723).

Almost surely, 2^61292101 is an apocalyptic number.

It is an amenable number.

61292101 is a deficient number, since it is larger than the sum of its proper divisors (4714791).

61292101 is a wasteful number, since it uses less digits than its factorization.

61292101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714790.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 61292101 is about 7828.9271934282. The cubic root of 61292101 is about 394.2770539688.

The spelling of 61292101 in words is "sixty-one million, two hundred ninety-two thousand, one hundred one".