40965751 has 2 divisors, whose sum is σ = 40965752. Its totient is φ = 40965750.

The previous prime is 40965703. The next prime is 40965763. The reversal of 40965751 is 15756904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40965751 - 2¹⁹ = 40441463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40965751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40965781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20482875 + 20482876.

It is an arithmetic number, because the mean of its divisors is an integer number (20482876).

Almost surely, 2^40965751 is an apocalyptic number.

40965751 is a deficient number, since it is larger than the sum of its proper divisors (1).

40965751 is an equidigital number, since it uses as much as digits as its factorization.

40965751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 40965751 is about 6400.4492811052. The cubic root of 40965751 is about 344.7256826630.

It can be divided in two parts, 4096575 and 1, that added together give a square (4096576 = 2024²).

The spelling of 40965751 in words is "forty million, nine hundred sixty-five thousand, seven hundred fifty-one".