61507097 has 2 divisors, whose sum is σ = 61507098. Its totient is φ = 61507096.

The previous prime is 61507091. The next prime is 61507141. The reversal of 61507097 is 79070516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53304601 + 8202496 = 7301^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 61507097 - 2¹⁰ = 61506073 is a prime.

It is not a weakly prime, because it can be changed into another prime (61507091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30753548 + 30753549.

It is an arithmetic number, because the mean of its divisors is an integer number (30753549).

Almost surely, 2^61507097 is an apocalyptic number.

It is an amenable number.

61507097 is a deficient number, since it is larger than the sum of its proper divisors (1).

61507097 is an equidigital number, since it uses as much as digits as its factorization.

61507097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 61507097 is about 7842.6460458190. The cubic root of 61507097 is about 394.7375215031.

The spelling of 61507097 in words is "sixty-one million, five hundred seven thousand, ninety-seven".