37650061 has 2 divisors, whose sum is σ = 37650062. Its totient is φ = 37650060.

The previous prime is 37650043. The next prime is 37650071. The reversal of 37650061 is 16005673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31147561 + 6502500 = 5581^2 + 2550^2 .

It is an emirp because it is prime and its reverse (16005673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37650061 - 2⁵ = 37650029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37650031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18825030 + 18825031.

It is an arithmetic number, because the mean of its divisors is an integer number (18825031).

Almost surely, 2^37650061 is an apocalyptic number.

It is an amenable number.

37650061 is a deficient number, since it is larger than the sum of its proper divisors (1).

37650061 is an equidigital number, since it uses as much as digits as its factorization.

37650061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 37650061 is about 6135.9645533526. The cubic root of 37650061 is about 335.1623509500.

The spelling of 37650061 in words is "thirty-seven million, six hundred fifty thousand, sixty-one".