61267965 has 16 divisors (see below), whose sum is σ = 106940736. Its totient is φ = 29705600.

The previous prime is 61267963. The next prime is 61268023. The reversal of 61267965 is 56976216.

It is not a de Polignac number, because 61267965 - 2¹ = 61267963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61267961) 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, 185496 + ... + 185825.

It is an arithmetic number, because the mean of its divisors is an integer number (6683796).

Almost surely, 2^61267965 is an apocalyptic number.

It is an amenable number.

61267965 is a deficient number, since it is larger than the sum of its proper divisors (45672771).

61267965 is a wasteful number, since it uses less digits than its factorization.

61267965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371340.

The product of its digits is 136080, while the sum is 42.

The square root of 61267965 is about 7827.3855788507. The cubic root of 61267965 is about 394.2252935178.

The spelling of 61267965 in words is "sixty-one million, two hundred sixty-seven thousand, nine hundred sixty-five".