61267051 has 4 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 61247704.

The previous prime is 61267049. The next prime is 61267061. The reversal of 61267051 is 15076216.

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

It is a cyclic number.

It is not a de Polignac number, because 61267051 - 2¹ = 61267049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61267021) 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, 3691 + ... + 11668.

It is an arithmetic number, because the mean of its divisors is an integer number (15321600).

Almost surely, 2^61267051 is an apocalyptic number.

61267051 is a deficient number, since it is larger than the sum of its proper divisors (19349).

61267051 is a wasteful number, since it uses less digits than its factorization.

61267051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19348.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 61267051 is about 7827.3271938766. The cubic root of 61267051 is about 394.2233331474.

The spelling of 61267051 in words is "sixty-one million, two hundred sixty-seven thousand, fifty-one".