537405977 has 2 divisors, whose sum is σ = 537405978. Its totient is φ = 537405976.

The previous prime is 537405923. The next prime is 537405997. The reversal of 537405977 is 779504735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469112281 + 68293696 = 21659^2 + 8264^2 .

It is a cyclic number.

It is not a de Polignac number, because 537405977 - 2⁸ = 537405721 is a prime.

It is not a weakly prime, because it can be changed into another prime (537405917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268702988 + 268702989.

It is an arithmetic number, because the mean of its divisors is an integer number (268702989).

Almost surely, 2^537405977 is an apocalyptic number.

It is an amenable number.

537405977 is a deficient number, since it is larger than the sum of its proper divisors (1).

537405977 is an equidigital number, since it uses as much as digits as its factorization.

537405977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 926100, while the sum is 47.

The square root of 537405977 is about 23182.0183978876. The cubic root of 537405977 is about 813.0192541031.

The spelling of 537405977 in words is "five hundred thirty-seven million, four hundred five thousand, nine hundred seventy-seven".