620152756501 has 2 divisors, whose sum is σ = 620152756502. Its totient is φ = 620152756500.

The previous prime is 620152756469. The next prime is 620152756511. The reversal of 620152756501 is 105657251026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433246986225 + 186905770276 = 658215^2 + 432326^2 .

It is a cyclic number.

It is not a de Polignac number, because 620152756501 - 2⁵ = 620152756469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620152756511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310076378250 + 310076378251.

It is an arithmetic number, because the mean of its divisors is an integer number (310076378251).

Almost surely, 2^620152756501 is an apocalyptic number.

It is an amenable number.

620152756501 is a deficient number, since it is larger than the sum of its proper divisors (1).

620152756501 is an equidigital number, since it uses as much as digits as its factorization.

620152756501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 620152756501 in words is "six hundred twenty billion, one hundred fifty-two million, seven hundred fifty-six thousand, five hundred one".