61246545 has 16 divisors (see below), whose sum is σ = 101156352. Its totient is φ = 31610880.

The previous prime is 61246531. The next prime is 61246589. The reversal of 61246545 is 54564216.

It is not a de Polignac number, because 61246545 - 2¹⁰ = 61245521 is a prime.

It is a super-2 number, since 2×61246545² = 7502278548874050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65392 + ... + 66321.

It is an arithmetic number, because the mean of its divisors is an integer number (6322272).

Almost surely, 2^61246545 is an apocalyptic number.

It is an amenable number.

61246545 is a deficient number, since it is larger than the sum of its proper divisors (39909807).

61246545 is a wasteful number, since it uses less digits than its factorization.

61246545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131752.

The product of its digits is 28800, while the sum is 33.

The square root of 61246545 is about 7826.0171862832. The cubic root of 61246545 is about 394.1793462322.

The spelling of 61246545 in words is "sixty-one million, two hundred forty-six thousand, five hundred forty-five".